Nearly every time you see him, he's laughing, or at least smiling. And he makes everyone else around him feel like smiling. He's the Dalai Lama, the spiritual and temporal leader of Tibet, a Nobel Prize winner, and an increasingly popular speaker and statesman. What's more, he'll tell you that happiness is the purpose of life, and that "the very motion of our life is towards happiness." How to get there has always been the question.?