Laton McCartney is the author of the national bestsellerFriends in High Places: The Bechtel Story–The Most Secret Corporation and How It Engineered the WorldandAcross the Great Divide: Robert Stuart and the Discovery of the Oregon Trail.McCartney has written extensively on business, finance, and politics for many national magazines. He and his wife, Nancy, divide their time between Wyoming and New York. From the Hardcover edition.