The Virginia Senator suggests the GOP nominee is regretting his veep pick while introducing Obama in Roanoke Friday.
"I like country music. There was a song about two years ago, 'I know what I was doing, but what was I was thinking?' John McCain is probably singing that song right now."
Also laughs about her asking Biden if she can call him “Joe” at the VP debate: “I was thinking, Joe, what you really oughta do is say, 'Yeah, you can call me whatever you want. In two months, you're gonna be calling me Mr. Vice President.'"
