Might book topple régime?

When we think of history's worst tyrants, responsible for the deaths of millions, Hitler and Stalin's names come immediately to mind. But someone may have dwarfed them both in terms of the magnitude of his crimes while in power: Mao Zedong. London-based columnist Gwynne Dyer speculates that Jung Chang and Jon Halliday's new book, Mao: The Unknown Story, describing these crimes in detail, could eventually bring down the moribund communist régime in Beijing.