This is getting quite a bit of buzz on the Interwebs. Washington Post blogger and lefty wonk prodigy Ezra Klein gets a bit tripped up when MSNBC’s Norah O’Donnell asks him about the relationship between the Tea Parties, the 112th Congress, and the Constitution. (Not that O’Donnell seems to notice.) Let’s watch:

And you wonder why the mainstream media is losing credibility.