A treasure trove of film clips distinguishes this chronicle of Chinese-American cinematic history, from "The Curse of Quon Gwon" (1916) to the portrayal of Asians by white actors to the Ang Lee-directed "Brokeback Mountain." Included: Nancy Kwan recalls "The World of Suzie Wong" and "Flower Drum Song"; author Amy Tan reflects on "The Joy Luck Club."