Richard Webber, the Chief of Surgery at Seattle Grace, has fallen on hard times. We'll see if he can pull it together or if things will just get worse.
With great power comes great responsibility. For Derek, his promotion to interim chief apparently means dealing with the media, not just the doctors of Seattle Grace.
Mark: Ahhh! What did you do to your hair? Lexie: I changed it! [pauses] You thought I was someone else. And you were hitting on me! You are pathetic, and hypocritical and slutty.