THEY SAY that a week is a long time in politics, and we’ve just had proof of how true that is. It now seems hard to remember that just a few weeks ago George W. Bush was considered to have a sure winner in his Iraq policy, and an equally sure loser in his no-new-jobs recovery. With Iraq now in turmoil, and the president seemingly wavering between a tough response to, and appeasement of, the mixture of terrorists, radical dissidents, and imported fanatics who have set Iraq aflame, the White House is suddenly downplaying Iraq and talking about the economy, jobs, and the new economic boom.