Howard Dean To Obama: 'Avoid Being Irritable' During Debates (VIDEO)

Eight years removed from his own presidential run, Howard Dean revealed on Sunday what he thinks will matter in Wednesday's 2012 presidential debate.As part of ABC's "This Week" roundtable, the former Vermont governor and Democratic National Committee chair said President Barack Obama's performance will hinge less upon what he says and more on what he shows.(WATCH Dean's comments above, beginning at the 4:35 mark)Read More... More on Barack Obama