"I have no wish to play the pontificating fool, pretending that I've suddenly come up with the answers to all life's questions. Quite the contrary, I began this book as an exploration, an exercise in self-questioning. In other words, I wanted to find out, as I looked back at a long and complicated life, with many twists and turns, how well I've done at measuring up to the values I myself have set. "In this luminous memoir, a true American icon looks...