America has fired “something like eight years’ worth of Tomahawk missile production” in Iran, Christian Brose, the chief strategy officer of Anduril Industries, says on “Interesting Times,” where he and the Opinion columnist Ross Douthat discuss the limitations of America’s arsenal of “luxury” weapons.

A system of fuzzy borders, in which powerful states treat territory as negotiable and sovereignty as conditional, is not a viable alternative to the liberal world order.