Well that was fun. On Tuesday, Democrats were handed one of their biggest electoral setbacks in recent memory, losing 60-plus seats in the House, and another 7 in the Senate. It's out with progressive stalwarts like Tom Perriello, and Russ Feingold, and in with, well...what, exactly? Here's a quick guide to the incoming freshmen. [Read MoJo's special report on the 2010 elections here.]