The paint-splattered wood ladder had to be decades old, yet for a cheap seat at the PGA Championship, the top cap would have to do. Pat Concannon and his friends — two who made the trip from Europe just to watch the golf major — positioned their ladder and the bed of their Dodge Ram 2500 pickup truck just a short putt away from the temporary fence that lined the first hole at Aronimink Golf Club. “This is the best seat in the house,” Concannon said. “Everyone can watch it from over there. Not everyone can watch it from over here.” The friends were getting thirsty early Friday and time for a beer run was getting tight before the world's No. 1 golfer was about to traipse through their backyard.…