FILE - In a Saturday July 31, 2010 file photo, conservative media publisher and activist Andrew Breitbart speaks to the audience at the "Uni-Tea" Tea Party rally at Independence Mall in Philadelphia. Breitbart, who was behind investigations that led to the resignations of former Rep. Anthony Weiner and former Agriculture Department official Shirley Sherrod, died Thursday, March 1, 2012 in Los Angeles. He was 43. (AP Photo/ Joseph Kaczmarek, File)