The One-Term Pledge?

Peggy Noonan thinks McCain should pledge to serve just a single term:

I still think a one-term pledge could win it for him, because it would allow America to punt. It would make the 2008 choice seem less fateful. People don’t mind the chance to defer a choice when they’re not at all sure about the product. It would give bitter Democrats a chance to regroup, and it would give those who like Obama but consider him a little half-baked to vote against him guiltlessly while he becomes fully baked. (Imagine the Q&A when Sen. Obama announces his second presidential run in 2011: “Well, Brian, I think, looking back, there is something to be said for the idea that I will be a better president now than frankly I would have been four years ago. Experience, if you allow it, is still the best of all teachers.”) More, it would allow Mr.