World powers holding talks with Iran on its nuclear aspirations are proposing "confidence-building" and "reciprocal" steps allowing the country to prove its program is solely for peaceful use, a Western official told CNN.

The Wednesday meeting, in Baghdad, is a follow-up to last month's talks between Iran and six nations - the United States, France, Russia, China and Britain - the five permanent members of the U.N. Security Council - plus Germany.

Western powers fear that Iran may be trying to build nuclear weapons, despite its insistence that its nuclear program is for peaceful purposes. They have been using sanctions and diplomacy to stop Iran from producing nuclear arms.

Iran has threatened legal action against Google for not labeling the Persian Gulf on its maps.

"Toying with modern technologies in political issues is among the new measures by the enemies against Iran, (and) in this regard, Google has been treated as a plaything," Foreign Ministry spokesman Ramin Mehmanparast said Thursday, according to state-run Press TV.

He added that "omitting the name Persian Gulf is (like) playing with the feelings and realities of the Iranian nation."

On state-run news agency IRNA, Iranian officials accused Google of having removed the words "Persian Gulf."

Google did not immediately respond to CNN's request for comment.

But a Google spokesperson told Britain's The Guardian newspaper that the Internet giant had not removed the term "Persian Gulf" - it had not labeled it from the beginning, as is the case with many other places.

An Iranian rapper is facing death threats and has a $100,000 bounty on his head for a song that some say insults an Islamic Shiite imam.

Shahin Najafi, who sings in Farsi and lives in Germany, told the German website Qantara that the song "Naghi" is not about a religious figure but about the state of society in Iran.

"The story with 'Naghi' was just a pretext," Najafi said in an interview with Qantara, which the German Foreign Office funds to promote dialogue with the Islamic world.

"For me it is more of an excuse to talk about completely different things. I criticize Iranian society in the song. It seems as though people are just concentrating on the word 'imam,' " Najafi is quoted as saying.

Religious figures in Iran see it differently.

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A U.N. nuclear inspector from South Korea was killed Tuesday in a car accident in Iran, state-run media reported.

Ok-Seok Seo was traveling with another inspector from the International Atomic Energy Agency near the Khandab nuclear complex in central Markazi province when their vehicle overturned, state news agencies said, citing Iran's Atomic Energy Organization.

The IAEA has not commented on the report.

U.S. Secretary of State Hillary Clinton on Monday applauded India's efforts to reduce its imports of Iranian oil but urged it to cut them further to keep pressure on Tehran over its nuclear program.

"We think India as a country understands the importance of trying to use diplomacy to resolve these difficult threats and is certainly working toward lowering their purchases of Iranian oil," Clinton said in Kolkata, the first stop on her visit to India. "We commend the steps they've taken thus far and hope they will do even more."

The United States and other Western countries are using economic pressure on Iran, particularly on its oil industry, to try to push Tehran into halting its nuclear program.

They have encouraged Asian countries like India, Japan and South Korea - key consumers of Iranian oil - to cut back their purchases.

U.S. officials say India has lowered the amount of oil it buys from Iran in recent months. But Prime Minister Manmohan Singh's government is also wrestling with stubbornly high inflation and is wary of provoking upward pressure on prices.

The carrier group is heading to the Gulf and our CNN national security experts note that this is a typical Navy maneuver that happens as carrier groups rotate to new positions around the globe.

This is the final deployment for the Enterprise, which will be inactivated and eventually decommissioned, according to a Navy press release.

This does come at a time that relations with Iran are fraying. We called the Navy today to ask if there is any connection. They did not get back to us right away. If they do, we will update this.

Do you know anything about the mission of the carrier group? Do you have a view on U.S.-Iran relations? Comment below.

Iran and the United States rang in the Persian new year Tuesday with distinctly different messages for the Iranian people.

President Barack Obama slammed the Islamic Republic's crackdown on electronic communications and Ayatollah Ali Khamenei warned that Iran would not hesitate to strike back in the event of an attack on the Islamic republic.

The beginning of the year 1391 took Khamenei to the massive Imam Reza shrine complex in the eastern city of Mashhad, where thousands jammed the mosque to hear the nation's supreme leader.

Khamenei denied Iran has nuclear capability or that it is trying to develop atomic weapons. But he warned that Iran will defend itself if the United States or Israel attacks - words that only increase anxiety in Iran's nuclear showdown with world powers.

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Iran and the United States rang in the Persian new year Tuesday with distinctly different messages for the Iranian people.

President Barack Obama slammed the Islamic Republic's crackdown on electronic communications and Ayatollah Ali Khamenei warned that Iran would not hesitate to strike back in the event of an attack on the Islamic republic.

The beginning of the year 1391 took Khamenei to the massive Imam Reza shrine complex in the eastern city of Mashhad, where thousands jammed the mosque to hear the nation's supreme leader.

Editor's note: This post is part of the Overheard on CNN.com series, a regular feature that examines interesting comments and thought-provoking conversations posted by the community.

The United States and other countries agreed Tuesday to resume negotiations with Iran over its nuclear program. CNN.com readers have been debating not only diplomacy with Iran, but also relations between the United States and Israel. More of our readers seemed to oppose military action against Iran than support it, but there were plenty of nuanced views on the issue.

Obama: Possible Iran talks offer opportunity

We've seen some readers who are quite frustrated with Israel.

rojo1284: "I am a conservative, I am tired of Israel behaving like a spoiled child, demanding that America gives it more machine guns, more tanks and more freedom to take whatever they want and oppress whoever they want without consequence. This has to stop. Israel, if you want to start a war, you're on your own."

Some said there is less reason to fear Israel than many places in the Middle East.

FromBelow2: "When was the last time Israelis burned the American flag? When was the last time there were protests in Israel with people chanting "Death to America"? Know who your friends are. You can start by figuring out who doesn't want to kill you."

This person feared another Iraq war.

SwimLikeaFis: "We need our leaders to work methodically through every issue and every alternative in an effort to avoid war. There is zero trust on both sides. Israel hates Iran; Iran hates Israel. But war is not the answer. WAR IS NOT THE ANSWER. Think in hindsight about Iraq. We rushed to enter and what a disaster it has been. Now we are in the same situation. If only we had waited and tried other means to avoid in Iraq, my brother would not have died on that lonely road near Baghdad."

Many of our readers over at CNN iReport have been discussing these foreign policy issues as well. iReporter Cliff Olney of Watertown, New York, talked about Israel in a recent video. FULL POST

The United States and other countries offered to resume negotiations with Iran over its nuclear program on Tuesday as Iran signaled a willingness to let international inspectors visit a key military base.

The United States, France, Britain, China, Russia and Germany offered to resume stalled talks in a letter from European Union foreign policy chief Catherine Ashton. She was responding to an overture that Iran made last month.

The prospect of negotiations comes amid rising concern that Israel may attack Iran to disrupt its nuclear program.

Israel and the United States suspect Iran is trying to build a nuclear weapon. International inspectors also have voiced concern, but Iran insists that its nuclear program is for peaceful, civilian purposes.

Meanwhile, Iran offered Tuesday to let international nuclear inspectors into one of its military bases, but only after significant details are worked out, its team at the International Atomic Energy Agency said.

President Barack Obama and Israeli Prime Minister Benjamin Netanyahu said Monday their nations stand together in their efforts to prevent Iran from having a nuclear weapon.

The two leaders met at the White House to discuss Iran's nuclear program and other Middle East issues amid talk that Israel may attack nuclear sites in Iran.

In comments to reporters before the meeting, Obama said both he and Netanyahu prefer a diplomatic solution to the Iranian issue.

However, Obama made clear - as he did in a speech to the influential American Israel Public Affairs Committee on Sunday - that military force remains an option in the effort to prevent Iran from becoming a nuclear power.

Netanyahu said he welcomed Obama's "strong speech" on Sunday and noted that Iran considers the United States the "great Satan" and Israel the "little Satan."

Iran warned Tuesday it would strike against an "enemy" threatening it if needed to protect its national interests - even if the enemy didn't attack first.

Gen. Mohammad Hejazi, a deputy head of Iran's armed forces, said his country "will no more wait to see enemy action against us," according to the semi-official Fars News Agency.

"Given this strategy, we will make use of all our means to protect our national interests and hit a retaliatory blow at them whenever we feel that enemies want to endanger our national interests," Hejazi said.

Fars added that in November, Supreme Leader Ayatollah Ali Khamenei had "warned enemies about Iran's tough response to any aggression or even threat."

Officials with the U.N. nuclear watchdog agency begin a second round of talks Monday with Iranian officials over the country's nuclear program, a day after Tehran cut off crude exports to British and French companies in retaliation for a new round of sanctions imposed on the regime.

The two days of talks come amid heightened tensions in the region, with Israel making clear it is pondering an attack on Tehran's nuclear infrastructure, while Iran warned it could cut off the narrow strait through which oil tankers sail in and out of the gulf.

The scheduled talks between the International Atomic Energy Agency and Iranian officials are billed as an opportunity for the watchdog agency to clarify the "possible military dimensions to Iran's nuclear program," the group said.

Iran says it is producing enriched uranium to fuel civilian power plants and has refused international demands to halt its production.

But the IAEA reported in November that it had information to suggest Iran had carried out some weapons-related research.

U.N. Secretary-General Ban Ki-moon said it is up to Iran to disprove the allegation.

"The Agency is committed to intensifying dialogue. It remains essential to make progress on substantive issues," IAEA Director General Yukiya Amano said in statement following the first round of talks in January.

The talks in Tehran follow an announcement Sunday by Iran's oil ministry that it was halting crude exports to French and British companies, an order that followed a threat that Iran would cut oil exports to some European Union countries in retaliation for sanctions put in place last month by the EU and the United States.

"Iran has no difficulty in selling and exporting its crude oil. ... We have our own customers and have designated alternatives for our oil sales. We shall sell to new customers, who will replace French and UK companies," ministry spokesman Ali Reza Nikzad-Rahbar said in a statement.

The sanctions put in place last month are meant to force Iran to provide more information on its nuclear program by shutting off its sale of crude oil, which generates half of Iran's revenue.

Iran exports 2.2 million barrels of oil a day, 18% of which is bound for European markets, according to the U.S. Energy Information Administration. The world consumes about 89 million barrels of oil per day.

Iran's President Mahmoud Ahmadinejad is offering to resume talks over its nuclear program as soon as possible, according to a copy of a letter he sent to the European Union and obtained by CNN.

Iran flaunted a new generation of centrifuges and mastery of the nuclear fuel cycle on Wednesday as Ahmadinejad, clad in a white lab coat, was on hand to load domestically made fuel rods into the core of a Tehran reactor.

Iran boasts nuclear progress

Also announced was an intent to start production of yellowcake, a chemically treated form of uranium ore used for making enriched uranium.

United Nations sanctions ban Iran from importing yellowcake. Domestic production would further Iran's nuclear self-sufficiency.

In a speech outlining the latest developments, Ahmadinejad said Iran was willing to share its nuclear knowledge with other nations that subscribe to the watchdog International Atomic Energy Agency (IAEA).

Four people were wounded when an explosive device attached to an Israeli Embassy van detonated near the Israeli mission in New Delhi, officials said Monday.

It was one of two explosives discovered on Israeli Embassy vehicles Monday. The other was found on an embassy car in Tblisi, Georgia, and that device was detonated in a controlled explosion with no injuries, an Israeli Foreign Ministry spokesman said.

Israeli Prime Minister Benjamin Netanyahu blamed both incidents on Iran, calling it "the biggest exporter of terror in the world."

"The Israeli government and her security organizations are continuing to operate together with local security services against these acts of terror," Netanyahu said. "We will continue to act in a strong way, systematically and steadfastly."

One of the wounded in New Delhi is the wife of an Israeli defense wing officer and the other is the Indian driver of the car, said Syed Akbaruddin, a spokesman for the Indian Ministry of External Affairs. He said both were being treated and "are OK." Two others in a vehicle next to the van sustained minor injuries, according to BK Gupta, an Indian police official.

The supreme leader of Iran issued a blunt warning Friday that war would be detrimental to the United States - and that Iran is ready to help anyone who confronts "cancerous" Israel.

"You see every now and then in this way they say that all options are on the table. That means even the option of war," Ayatollah Ali Khamenei said during Friday prayers in Tehran. "This is how they make these threats against us.

"Well, these kinds of threats are detrimental to the U.S.," he said. "The war itself will be 10 times as detrimental to the U.S."

He said Iran will support any nation or group that fights against Israel.

"The Zionist regime is really the cancerous tumor of this region and it needs to be removed and will be removed," Khamenei said to a cheering crowd.

He said Iran doesn't interfere in other nations but has aided militant groups Hamas and Hezbollah in conflicts in Gaza and Lebanon.

His comments came after stern comments Friday from Israeli Defense Minister Ehud Barak.

"Today, unlike in the past, there is a broad global understanding that it is crucial to stop Iran becoming nuclearized and that no options should be taken off the table," he said.

Barak said allowing Iran to continue on its path will be far more complex and dangerous in blood and money than cutting it off now.

"Those who say in English, 'later,' may find later is too late," he said.

The European Union banned the import of Iranian crude oil and petroleum products and banned the export of key petrochemical technology to the country Monday in an effort to cut off sources of funding for Iran's nuclear program, the EU announced.

Iran exports 2.2. million barrels of oil a day, with about 18% bound for European markets, according to the U.S. Energy Information Administration. The world consumes about 89 million barrels of oil per day.

A photo and video of a famous Iranian actress baring her breasts have gone viral this week, igniting a fiery debate among Iranians.

Golshifteh Farahani appears topless, cupping her breasts, in a photo in the French magazine Madame Le Figaro. Also, a video apparently made by a French film academy, features the actress looking directly into a camera as she disrobes. She stands with her breasts uncovered. Soon after the images hit the Web, reaction was swift inside Iran, where Farahani gained fame in state-sponsored movies that forbid the mere touching of hands.

"The fate of an actress, who left her own country and joined Hollywood, has been nothing but immorality," the semi-official Fars News Agency wrote this week. "The actress who once played the role of caring and decent mothers of Iran has now auctioned off her modesty and honor in front of the Western cameras."

Farahani reportedly moved to France shortly after making history in the Iranian film industry by being the first Iranian to star in a Western film. In 2008, she played a nurse in "Body of Lies" with Leonardo DiCaprio.

It's unclear if the actress currently lives in France. Her agency in Paris declined a CNN interview request as Facebook, Twitter and blogs lit up with incendiary remarks about her. Some say Farahani has betrayed Islam and Iran for revealing her body. Other posters are supportive. They cheer her boldness and defend her right to self-expression.

Several Facebook pages have popped up in recent days with notes encouraging visitors to re-post the photo and video. A wall post Thursday appeared on a Facebook page that appears to belong to the actress. The message, carrying Farahani's name, says, "We have to open our mind!!"

Among other comments on Facebook:

"She is really brave, and I am proud of her. She shows what she believes in and it has nothing to do with others."

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 A nuclear scientist was killed in a blast in Tehran on Wednesday morning, an Iranian news agency reported. It's the latest in a string of attacks that Iran has blamed on Israel.

A motorcyclist placed a magnetic bomb under Mostafa Ahmadi Roshan's Peugeot 405, the state-run IRNA news agency said. The blast also wounded two others, IRNA said.

State television channel Press TV reported later Wednesday that Roshan's driver, named as Reza Qashqaei, had died in a hospital from his injuries.

Parliament Speaker Ali Larijani condemned the attack and said it would not undermine Iran's resolve. "This is not the first time that arrogant powers adopt such futile measures," he said, according to Press TV.

(CNN) - A blast in a Tehran neighborhood reportedly killed a nuclear scientist Wednesday morning, the latest in a string of attacks against such scientists in the country that Iran has blamed on Israel.

A motorcyclist placed a magnetic bomb under Mostafa Ahmadi Roshan's Peugeot 405, the country's IRNA news agency said.

The blast wounded two others who were passengers in the car, the news agency said.

Roshan worked at Natanz uranium enrichment facility in Isfahan province, according to another news agency, Fars.

Natanz, which is said to have 8,000 centrifuges in operation, is one of two facilities that are enriching uranium in the country. This week, the United Nations' nuclear watchdog agency identified the second in the mountains of Qom province.

The Wednesday attack followed a similar mode of operation as others that have killed nuclear scientists in the capital city.

On January 12, 2010, Iranian university professor and nuclear scientist Massoud Ali Mohammadi was killed in a blast when an assailant stuck a bomb under his car. Officials later arrested a person in connection with that incident

In November 2010, nuclear scientist Majid Shahriari was killed in a blast where, again, a bomb was stuck under a car by someone on a motorcycle.