There is no book of political strategy more canonical than Niccol� Machiavelli's The Prince, but few ethicists would advise policymakers to treat it as a bible. The lofty ideals of the law, especially, seem distant from the values that the word "Machiavellian" connotes, and judges are supposed to work above the realm of politics. In The Judge, however, Ronald Collins and David Skover argue that Machiavelli can indeed speak to judges, and model...