Imagine that you are an average American man. You work hard and love football. Your present is a highway of unbounded opportunity, your future a far horizon unclouded by doubt. Then comes middle age. Who can you look to when the highway begins to crack, when opportunity shrinks to the size of a cubicle, and the horizon looms close? For Richard J. King, the answer is clear: Tom Brady. The legendary quarterback of the New England Patriots is not just...