Tibetans have protested in both countries, which have long accepted Tibetan refugees but restricted their political activities.
The Olympics in China offer Tibetans a chance to draw world attention to human rights issues.
The region sees its biggest demonstrations in 20 years.
The Chinese artist, whose pyrotechnics will feature heavily at the Beijing Olympic ceremonies, is the focus of a major exhibition at New York's Guggenheim Museum. His favorite medium: gunpowder.
Laura Bush's campaign for a global boycott is being undone by China's appetite for Olympic souvenirs made of Burmese jade.
Keen not to taint Olympics, and under pressure from West, Beijing sends envoy to Khartoum with strong words.
Tetherball, tuxedo swimming, pepperoni pizza relays – all will help make the Games appeal to younger audiences.
He was detained for writing that 'subverted the state.'