ATHENS, Greece (AP) - In an upset as historic as it was inevitable, Tim Duncan, Allen Iverson and the rest of the U.S. basketball team lost 92-73 to Puerto Rico on Sunday, only the third Olympic defeat ever for the Americans. It was also the most lopsided loss in the games for the U.S. team, alarming not only for its significance but also for its decisiveness. Puerto Rico, which had lost to the Americans five times in the past 13 months, took control in the first half, led by 22 at halftime and gamely held off a fourth-quarter comeback for...