Conservative Commentator Andrew Breitbart Dead at 43

Widely read conservative Internet publisher Andrew Breitbart has died, his attorney confirms.  The websites he founded ran a statement Thursday morning announcing that Breitbart, 43, died "unexpectedly from natural causes" in Los Angeles shortly after midnight. Breitbart was a prolific commentator who founded several websites devoted to covering politics, entertainment and everything in between. Earlier in his career, he worked for the Drudge Report before breaking off to start his own outlets -- including Big Government, Big Hollywood and Breitbart.tv. <i>Feb 10: Andrew Breitbart, Publisher, Breitbart.com and Breitbart.tv speaks at the 2012 CPAC ConferenceConservative Political Action Committee annual convention in Washington, DC.</i> (AP )

June 7, 2011: Conservative blogger Andrew Breitbart, who runs BigGovernement.com and BigJournalism.com, is shown during an interview at the Associated Press in New York. (AP)

June 6, 2011: Conservative activist Andrew Breitbart, right, who runs BigGovernment.com, watches U.S. Rep. Anthony Weiner, D-N.Y., at podium left, address a news conference in New York. (AP )

Sept. 18, 2010: Andrew Breitbart, right, of Los Angeles makes his point known to Gene Winkler of Naperville, Ili., outside the Sears Centre, in Hoffman Estates, Ill. as demonstrators gather to protest Glenn Beck.  (AP )

June 6, 2011: Andrew Breitbart the conservative blogger who exposed the bulging-underpants photo of U.S. Congressman Anthony Weiner, D-NY that Weiner sent to a young woman, addresses a press conference in New York. (AP)

FILE - In a Tuesday, June 7, 2011 file photo, conservative activist and blogger Andrew Breitbart, who runs the websites BigGovernement.com and BigJournalism.com, answers questions during an interview at the Associated Press in New York. 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/Kathy Willens, File) (AP )

FILE - In a Tuesday, June 7, 2011 file photo, conservative blogger Andrew Breitbart, who runs BigGovernement.com and BigJournalism.com, gestures as he speaks during an interview at the Associated Press' headquarters in New York. 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/Kathy Willens, File) (AP )

Conservative activist Andrew Breitbart, who runs BigGovernment.com, addresses a news conference prior to U.S. Rep. Anthony Weiner, D-N.Y.,, in New York, Monday, June 6, 2011. After days of denials, a choked-up New York Democratic Rep. Anthony Weiner confessed Monday that he tweeted a bulging-underpants photo of himself to a young woman and admitted to "inappropriate" exchanges with six women before and after getting married. (AP Photo/Richard Drew) (AP )