Ryan Zimmerman hasn't spent much time pondering his chances of making the All-Star team. "I wish I was playing better now more than anything - that's what I'm worried about," he said. But the Washington Nationals' third baseman wouldn't mind finding out Sunday he has been named to the National League squad for the first time in his career. "That would be cool to go," he said. Unlike past seasons, there is no slam-dunk choice to represent the Nationals...