Carmelo Anthony came off the bench to score 23 of his 27 points in the first half, and the Americans beat Spain 100-78 on Tuesday night in a rematch of the gold-medal game -- and possible preview of the next one. LeBron James added 25 and Kevin Durant had 13, including 10 in the first 3 1/2 minutes of the third quarter to help the U.S. break open the teams' final exhibition game before heading to London. The teams played a memorable gold-medal game four years ago, the Americans pulling away for a 118-107 victory after leading by only four points with under 2 1/2 minutes left