There’s no way around it — Jeb Bush fumbled this one. It took him three whiffs at a question he should have fully anticipated before he got remotely close to an answer, which only came Thursday after a week of trying. “If we’re all supposed to answer hypothetical questions,” he finally clarified at the top of a town hall in Arizona, “knowing what we know now ... I would not have engaged. I would not have gone into Iraq.” Whew. We can all go back to work now.