Tropical Storm Isaac could make landfall in the U.S. Gulf Coast as soon as tonight. Watch CNN.com Live for continuing coverage of the storm.
Today's programming highlights...
Continuing coverage - Tropical Storm Isaac tracker
8:30 am ET - Casey Anthony defamation hearing - Attorneys for the woman suing Casey Anthony for defamation will ask a Florida judge to force Anthony to reveal her finances and source of income.
10:00 am ET - Obama statement on Isaac - President Obama will make remarks on Tropical Storm Isaac and its potential U.S. impact from the White House.
12:00 pm ET - CNN Election Roundtable - Join Wolf Blitzer and the CNN political team as they discuss the ongoing Republican National Convention and the issues affecting this year's presidential election.
12:45 pm ET - Live from the #CNNgrill - CNN's Peter Hamby leads a political panel discussing the headlines of the day at the Republican National Convention.
2:00 pm ET - RNC re-convenes - After a Monday session shortened due to concerns over Isaac, the Republican National Convention will hold its first full day of activities in Tampa, Florida. View a complete schedule of key speakers at CNN.com Live.
2:10 pm ET - Obama in Iowa - President Obama is also in the campaign spirit today. He'll speak to supporters on the campus of Iowa State University. He'll later travel to Colorado State University for an event at 7:20 pm ET.
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