Play of the Day -- Reviewing the veep debate prior to tomorrow's debate

Biden v. Ryan is the proverbial undercard for round two of Romney v. Obama.

The late-night hosts focused on Vice President Joe Biden's smirking and persistent interruptions, and Rep. Paul Ryan's fibs during the debate. David Letterman took notice of both Biden's and Ryan's workout routine's, and Jimmy Fallon made sure that we did not forget that the next presidential debate is right around the corner.

Today's Must See Moment -- Fast forward to 2:24 to see what Biden does to stay in shape.