September 2, 2010 6:30 am Auto Sales Plummet August sales were the worst in decades. US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:43 World reacts to death of Iran's president 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 2:17 Diddy breaks silence on Cassie assault video