Look at our battered world, and you see two presidents, Donald Trump and Vladimir Putin, caught in wars that they are struggling to finish. There’s a common theme with the Iran and Ukraine conflicts that we might call “the power trap.” These two men can’t escape the consequences of their mistakes. Both leaders thought their enemies would capitulate in weeks. Both ignored advisers who warned that victory wouldn’t come so easily. Both still believe they can dictate the outcome, even as the