STANFORD, California — Jurgen Klinsmann tried to dance around the questions: Why take unproven youngsters to the World Cup and leave Landon Donovan home? A day after announcing his momentous decision to drop the most accomplished player in American men's football, the U.S. coach hinted at answers without ever saying specifically why Donovan was among the final seven cuts. "As a coach, you have to make a decision based on what you want to execute in Brazil, what you want to see, how do you want to build those components into the entire group.