KIAWAH ISLAND, S.C. -- Hal Sutton can’t begin to imagine why Paul Casey would feel so hostile towards Americans – particularly the U.S. Ryder Cup team. “I can’t really figure out why he hates us,” said Sutton, who captained the U.S. side in a losing effort two months ago. “I thought we were pretty good sports at Detroit." A headline quoting Casey in Wednesday’s The Mirror newspaper read: “Americans are stupid. I hate them.” Casey also used “hate” in expressing his feelings towards the U.S. Ryder Cup team. He later backed off those statements, apologizing for using such an explosive...