AFL-CIO's Trumka knocks down Breitbart's denials of racism at Tea Party protest Video ››› April 8, 2010 4:54 PM EDT ››› MEDIA MATTERS STAFF ? From an April 7 event at Harvard University's Institute of Politics: Loading the player reg... Short Link copy link Posted In Diversity & Discrimination, Economy, Labor Unions, Health Care, Health Care Reform Person Andrew Breitbart We've changed our commenting system to Disqus. Instructions for signing up and claiming your comment history are located here. Updated rules for commenting are here. View the discussion thread.