I think the doves are right, with one caveat. One of the most frustrating aspects of American foreign-policy discourse is the fact that it takes place a la carte. A crisis emerges, a familiar group of commentators appear on TV to discuss it, and they present their comments with a kind of virginal, pre-lapsarian innocence, as if nothing they said before is of any relevance. This isn’t only a problem because their past opinions may have been wrong. It’s also a problem because their past opinions may conflict with the ones they’re offering today…