KHABARI CROSSING, Kuwait - (AP) - A U.S. military spokesman saysthe last American combat brigade is leaving Iraq. Capt. Christopher Ophardt, spokesman for the 4th StrykerBrigade, 2nd Infantry Division, says the last of the unit'svehicles were crossing the border into Kuwait early Thursday. America's combat role in the country ends on Aug. 31. Most ofthe brigade's 4,000 soldiers have been driving out of Iraq in theirarmored vehicles. A few hundred members stayed behind to finishadministrative and logistical duties but will fly out of Baghdadlater Thursday. About 50,000 troops will stay in Iraq until the end of nextyear.