Who will be the next Dalai Lama?

As the Dalai Lama nears his 90th birthday, Tibetan exiles in Australia are preparing cultural tributes that double as acts of defiance. While students here enjoy freedoms denied in Tibet, the future of spiritual leadership for Tibetan Buddhists remains uncertain. China insists the next Dalai Lama must be Chinese, but he says his successor will come from the free world, possibly even as a woman.