She got blitzed in the U.S open final, 6-2, 6-3, by a heavy underdog. She flipped out on the chair umpire over a call that was ultimately the right one. Even when Serena was more gracious in her conduct, however, she didn’t quite nail it. The above tweet: nice sentiment? Sure. But it’s also worth pointing out that the woman who played brilliantly today to deny Serena her 14th major is named Sam Stosur.