How did the man who hopes to become America's first black President respond to a what he felt was attack-based politicking at the hands of his rival? By acting out a Jay-Z lyric, of course. Fast-forward to the 2:20 mark for Barack's throw down, executed to near perfection in front of a packed town hall in Raleigh, North Carolina, earlier today. It's almost enough to help him regain the street cred he lost after trying to bust a move on Ellen.