Tea party favorite Christine O'Donnell's win in the Delaware Senate primary last night means the GOP is "extremely unlikely" to flip the Senate seat to their side . . . increasing heat on the party to take over the Democratic seat in West Virginia (or Conn.), writes Nate Silver at FiveThirtyEight.
See more musing on O'Donnell's surprise win here from Salon (which ties the win to defeats of Arlen Specter and other long-timers), Karl Rove, the WashPost ("Castle repeatedly reminded voters that O'Donnell didn't have Washington experience -- accidentally highlighting a major plus for her in the eyes of voters looking to shake up the status quo"), HotAir ("RINOgeddon") and DailyKos ("The race that everyone will be talking about for quite some time").