Serena Williams channeled John McEnroe on crack at the end of her U.S. Open semifinal match with Kim Clijsters and it cost her a trip the finals. Serena’s chances were already in bad shape because she dropped the first set 6-4 and was trailing 6-5, 15-30 in the second set. The line judge made the mistake of calling a foot fault after Serena had faulted on her first serve. Ms. Williams responded by offering to shove a tennis ball down the line judge’s throat. Read the full story