Conservatives are gathering in Maryland for the annual Conservative Political Action Conference.  Watch CNN.com Live for gavel-to-gavel coverage of the gathering.

Today's programming highlights...

9:30 am ET - CPAC 2013: Rep. Paul Ryan - The 2012 GOP vice presidential candidate addresses delegates at CPAC 2013.  Other speakers scheduled for today include the NRA's Wayne LaPierre at 10:45 am ET, Mitt Romney at 1:00 pm ET, Louisiana Gov. Bobby Jindal at 2:20 pm ET and Jeb Bush at 7:30 pm ET.

12:30 pm ET - Jodi Arias murder trial - A special Friday session of the trial will be a hearing regarding the testimony of a defense witness.

2:05 pm ET - Obama in Illinois - President Obama makes remarks at Argonne Lab in Lemont, Illinois.

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