Biden: "We want a leader, an optimist. Not an angry man lurching from one position to another." <a href="http://www.crooksandliars.com/silentpatriot/joe-biden-comes-out-swinging-mccain-" target="_blank">http://www.crooksandliars.com/silentpatriot/joe-biden-comes-out-swinging-mccain-</a> video