"Representative Paul Ryan, Republican vice presidential candidate, gestures as he speaks during a debate with U.S. Vice President Joseph ""Joe"" Biden, unseen, in Danville, Kentucky, U.S., on Thursday, Oct. 11, 2012. Ryan said President Barack Obama is presiding over a ""chaotic"" foreign policy that is ""unraveling'' and making the US. ""less safe,"" as he began his debate tonight with Joe Biden. Photographer: Scott Eells/Bloomberg *** Local Caption *** Paul Ryan (Bloomberg)"