Was it a thrill kill or part of a gang initiation? That would be the bushwhacking of Chris Lane, an Aussie college kid and baseball star. Lane was gunned down running along a country road near Duncan, Oklahoma, the other day. You know the story by now. Does it matter what motivated Allen Luna and James Francis Edwards, Jr., Chris Lane's accused killers, and Michael Dewayne Jones, an accessory, to off a young man with a promising future who was just going about the routine of his life on a summer's day? In one sense it doesn't matter. Whether those...