Washington Nationals rookie phenom Stephen Strasburg(notes) set a record during another masterful performance. And the Chicago White Sox scraped their way to an 11-inning victory, winning for the eighth time in nine games. But the biggest winner at sold-out Nationals Park on Friday night? President Barack Obama (right, in White Sox cap). Not only did he get to witness Strasburg with his own eyes, and he saw his White Sox win, but he also sat stoically — and righteously — as the rest of the stadium foolishly did the Wave. Including at least one of his own daughters. Hah!...