The US president will have a prominent role at this summer’s World Cup, but his involvement with the sport started in military schoolSign up for the World Behind The Cup newsletterDrive north from New York City and into the Hudson valley. Take Exit 17 and follow Route 7 as it heads south along the river, past the abandoned shipyard and the aptly named Cadet Motel. Hang a left after a few miles, wind up a long drivewa