Thu 09 Sep 2007Bush to cut US troops in Iraq - officialPresident George W. Bush plans to withdraw 5,700 troops from Iraq by December and has accepted recommendations on force numbers by the top US commander and diplomat in Iraq, a senior administration official said this evening.In a televised address this evening, Mr Bush will also endorse their proposal to reduce US forces to 15 brigades from 20 now, the official said, without giving a time frame.