The brutal Russian invasion of Ukraine has given the world a tragic reminder of both the pitiless destructiveness of war as well as the existential and unpredictable danger posed by powerful authoritarian states—particularly those dominated by megalomaniacal strongman leaders. Today the focus is on Ukraine’s heroic struggle to defend and recover its territory and its democratic way of life. But at some time in the coming years, the arena of conflict over the future of democracy could shift to the Indo-Pacific, if the People’s Republic of China (PRC) does what its communist leaders have long threatened to do: use force to compel Taiwan (which it has always regarded as a “renegade” province) to “reunify with the motherland.”