LOS ANGELES, March 1 (UPI) -- Blogger, TV commentator and author Andrew Breitbart has died of natural causes in Los Angeles, his Web site Big Hollywood announced Thursday. He was 43. Breitbart contributed columns to The Washington Times, was a frequent guest on Fox News programs and was a former editor for the Drudge Report. In addition to BigHollywood.com, he ran the Web sites Breitbart.com, BigGovernment.com, BigJournalism.com and BigPeace.com. He also appeared on the TV panel programs "Real Time with Bill Maher" and "Dennis Miller.""With a terrible feeling of pain and loss we announce the passing of Andrew Breitbart," a...