Once upon a time, a guilty man got away with murder. Then he said he would spend his days searching for the real killer. First his search took him to the golf courses. Now his search has led him to the Kentucky Derby, where last Friday, OJ Simpson was asked to leave an upscale steakhouse in Louisville, Kentucky. Jeff Ruby, the owner of the restaurant, said, “I didn’t want to serve him because of my convictions of what he’s...