A Pierre Cardin fashion show opens in the shadow of Tien An Men Square; disco dancers gather at Peking's International Club; U.S. businessmen in Shanghai negotiate plans for a chain of modern tourist hotels and joint ventures in petroleum exploration; Chinese students openly discuss the virtues of Western-style democracy, Coca Cola, and Laurel and Hardy. Had Chairman Mao lived to see it, he might well have been moved to inquire, "Where am I?"