Watch CNN.com Live for continuing coverage of the conflict in Libya.
Today's programming highlights...
Continuing coverage - Shuttle Discovery mission
9:00 am ET - Casey Anthony hearing - A hearing is held in the case of Casey Anthony, the Florida woman accused of killing her young daughter.
10:30 am ET - Sweat lodge manslaughter trial - The trial of author and motivational speaker James Arthur Ray, who is accused of manslaughter in the deaths of three people in a sweat lodge ceremony, continues in Arizona.
1:00 pm ET - Obama, Calderon briefing - President Obama and Mexican President Felipe Calderon speak with reporters following talks in Washington.Â Topics expected to be discussed include Mexico's war on drug cartels, the crisis in Libya and relations between the United States and Mexico.
2:00 pm ET - Gingrich talks politics in Atlanta - There have been mixed signals as to whether former House Speaker Newt Gingrich will discuss potential presidential aspirations today in Atlanta.Â However, it is believed he will talk about the economy and health care.
2:30 pm ET - Race to 2012: Buddy Roemer - Former Louisiana Gov. Buddy Roemer is expected to announce in Baton Rouge that he will form a committee exploring a run for the Republican presidential nomination in 2012.
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