If he sides with the rest of the Republicans on the important votes, he's a keeper. If he turns into another Arlen Specter, McCain, or Snowe, then get rid of him in the next election. He's only serving the remainder of Ted Kennedy's term.
"I can do better. We can go down there and hold the line. We can go back to the drawing board on health care. As the forty-first Senator I can tell them to do better, and try again and get something like we have here in Massachusetts."