Rand Paul is in. And Specter is out.

It's been a big night.

"It’s been a great privilege to serve the people of Pennsylvania,” said Mr. Specter, looking drawn and downcast as he delivered a brief concession speech.... “And I’ll be working hard for the people of Pennsylvania very hard for the coming months.”...

“I have a message,” Mr. Paul said, delivering a victory speech in Bowling Green. “A message from the Tea Party. A message that is loud and clear and does not mince words: We have come to take our government back.”