From the governor-elect of Maryland comes a story of two fatherless boys from Baltimore, both named Wes Moore. One is in prison, serving a life sentence for murder. The other is a Rhodes Scholar, an army veteran, and an author whose book is being turned into a movie produced by Oprah Winfrey. The story of "the other Wes Moore" is one that the author couldn't get out of his mind, not since he learned that another boy with his name--just...