Secretary of State Clinton will lead a high level U.S. delegation to Mexico City.
Here's a look at some of tomorrow's news events:
Health care signing
President Barack Obama plans to sign the health care bill during a White House ceremony. At that point, the U.S. Senate can begin dealing with the process of reconciling its version of the bill with one passed late Sunday by the House of Representatives.
U.S. officials to MexicoÂ
Secretary of State Hillary Clinton, Defense Secretary Robert Gates, Homeland Security Secretary Janet Napolitano, and other top U.S. officials will be in Mexico City to discuss the ongoing war on drugs. It will be a major show of solidarity with the Mexican government since the killings of a U.S. consulate worker and her husband who was also an American. They were gunned down earlier this month in Ciudad Juarez in front of their 1-year-old child.
University of Alabama killings
Dr. Amy Bishop is scheduled to be in court to face charges linked to last month's deadly shooting at the University of Alabama-Huntsville.  The former biology professor is charged with one count of capital murder and three counts of attempted murder after allegedly shooting six colleagues, three fatally, on Feb 12.
CNN war zone camerawoman Margaret Gipsy Moth dies from cancer.
Outstanding CNN photojournalist Margaret Moth, who had survived a near-fatal gunshot wound to the face while filming sniper alley in Bosnia-Herzegovina during the wars there in the early 1990s, died Sunday after she had suffered from colon cancer for three years. She was 59.
Her CNN colleagues said she inspired them with her toughness, humor and quirky style that included always wearing black clothes that went with her jet-black hair, thick black eyeliner and combat boots that she often wore while she slept in war zones.
Moth also covered the Israeli invasion of the West Bank in 2002, the rioting that followed Indira Gandhi's assassination in 1984 and other conflicts around the world, including several in the Middle East, according to CNN When militiamen opened fire on protesters in Tbilisi, Georgia, CNN said she stood her ground and kept her camera running.
RIP Margaret Gipsy Moth, Thank-you for your outstanding contributions and courage to bring CNN viewers face to face with conflicts and combat operations around the world.