As this issue goes to publication, we hear reports of Russian troops crossing into Ukraine. There will no doubt be complaints from the traditional opponents of President Obama that he is “soft” and that the “lessons from history” indicate that decisive U.S. force is urgently required. We are neither historians nor military strategists. But we do understand the historical connection between war and the growth of government. When once the dogs of war are unleashed, it is very difficult to bring them to heel.