The departed men in her life still have plenty to say to Corey. Her father, a legendary rodeo cowboy who punctuated his lifelong pronouncements with a bullet to his head, may be the loudest. But in this story of Montana--a story in which the old West meets the new and tradition has its way with just about everyone--it is Corey's voice we listen to. In this tour de force of voices big and small, sure and faltering, hers comes across resonant and clear,...