ABC News (blog) | Conservative blogger Andrew Breitbart died of heart failure CNN International Anthony Weiner led to the congressman's downfall, died of heart failure, the Los Angeles County Coroner said in an autopsy report released Friday. Breitbart, 43, died on March 1. The final cause of death was listed as heart failure, which was caused by ... Andrew Breitbart died of heart failure, coroner says Andrew Breitbart Died of Heart Failure: Coroner Coroner: Breitbart died of heart failure, hardened arteries |