It might be the surest sign yet that Barack Obama is going to win this thing: the Right is, at long last, coalescing in an argument against him. After months of somewhat embarrassing fawning from the likes of David Brooks and Peggy Noonan, conservatives have heeded Obama's call for unity and raised a collective eyebrow of doubt at the junior Senator from Illinois. They have found their voice, you might say.

It started with some...