In fact, this finger-in-the-dam strategy is the best available option given America’s de facto preference to enjoy relative freedom from jihadist violence without the expense of solving the root problems from which jihadism springs. This style of frontier warfare is the price America pays for regional order on the cheap.

We were mostly right about his hateful rhetoric, fundamental dishonesty, trade wars, admiration for foreign dictators, and wild inconsistency. But we overestimated Trump’s competence and work ethic. His ability to bring material harm to the United States has been limited by how little he works and how little he knows about the presidency.

Today we see forces against liberalism at home and abroad. We need statesmen who understand liberalism and who can make the case for limited, representative, and accountable government.

Despite his errors and overstatements, Cavanaugh is helpful for thinking through the perils of nations and nationalism in an era when both seem to be enjoying a renaissance. He is best read as a theologian, not a historian, and a polemical theologian whose strident claims are best met with a healthy dose of skepticism.

The Authorization for the Use of Military Force (AUMF) passed by Congress in 2001 remains in force, but policymakers are debating whether to repeal, replace, or expand its authorities.

You don’t have to believe the candidate himself is treasonous to recognize that his presidency would undermine American national security interests.

From the print edition, Winter, 2016

Just war aims at peace. As Augustine argued, “Every man seeks peace by waging war, but no man seeks war by making peace.” We do not fight war for its own sake, or for revenge, profit, or prestige. The only conceivable rationale for waging war is to create a world of better, deeper, more lasting peace than the one that led to war in the first place.