August 30, 2013 6:00 am Dave Chappelle Walks Off Stage in Hartford Comedian Dave Chappelle rankled fans in Hartford, Conn., on Thursday night when he cut short a performance and sat silently on a stool for nearly a half hour before walking off stage. US & World Videos 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 3:26 Confrontations occur at UCLA campus amid ongoing protests 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie