Coalition of the Not-Very-Willing

The Brits are leaving. They say 3000 by the end of the year, but here's a prediction: All 7500 by the end of the year. The reason is Gordon Brown, who'll replace Tony Blair as PM in the next few months. Brown will want to build a head of steam for his agenda--and to keep the Tories away from Downing Street--and the best, fastest way to do that is to announce a total withdrawal from Iraq. In fact, one of my intel sources says it's a done deal, "They're leaving."
So how much longer can President Bush talk about "coalition forces" doing this or that?