The Biden Train kept a-rollin', all night long. As DNC frontrunner (cough) Sen. Joe Biden was defending the rank-ass "legacy" of his ex-boss and forgetting what he was saying halfway through his answers on the "debate" stage this week, the featured body part malfunction was the Senator's dentures, which slipped out on the air at the worst possible moment — which is to say, pretty much every moment, from all accounts.
