Thailand, Southeast Asia’s most developed and sophisticated economy, is teetering on the edge of the political abyss. Yet most of the rest of Asia appear to be averting their eyes from the country’s ongoing and increasingly anarchic unrest. That indifference is not only foolish; it is also dangerous. Asia’s democracies now risk confronting the same harsh question that the United States faced when Mao Zedong marched into Beijing, and again when Ayatollah Ruhollah Khomeini ousted the Shah in Iran. Who, they will have to ask, lost Thailand?