Vice President Debate: Joe Biden's many faces

<div class="meta "><span class="caption-text ">Vice President Joe Biden and Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., shake hands before the start of the vice presidential debate, at Centre College in Danville, Ky., Thursday, Oct. 11, 2012. &#40;AP Photo&#47;Pablo Martinez Monsivais&#41; (AP Photo&#47; Pablo Martinez Monsivais)</span></div>
October 12, 2012 10:13:59 AM PDT