Barack Obama's plan for imposing unity on the nation after he takes office apparently entails a close look at war crimes trials for Bush administration officials. He has even said so in an interview with Will Bunch of the Philadelphia Daily News. This kind of change -- putting your predecessors on trial for their conduct of policy -- may not be what most Americans really want or expect from someone with Obama's gauzy rhetoric of unity. But unity has a dark side in the hands of people who regard their opponents as criminals. America has two centuries-plus of history lacking...
