The GOP To Split On Afghanistan?

Joe Klein perks up at news of presidential hopeful Haley Barbour deciding he "has had enough of Afghanistan and wants to start drawing down troops":

When Barbour decides that Afghanistan is a loser, you can bet that more than a few Republicans are heading that way--and that means interesting times for the trigger-happy neoconservatives who have dominated Republican foreign policy thinking in recent years. It also means that the foreign policy debate in the Republican primaries may be a real eye-opener.