During the last question on timetables, McCain changed the subject to the surge – where Romney’s on weaker ground (among primary voters, at least). How does it make any sense for Romney to say he supported the surge as a candidate, but couldn’t do it as a governor? That’s a tough answer to defend.
His solution: Call the charge itself a dirty trick. Will voters share Romney’s view?
Related: Watch McCain and Romney trade jabs over the Iraq war
– CNN Senior Political Analyst Bill Schneider