Russia invades, China bullies, Iran spins centrifuges, the Islamic State (a terrorist threat “beyond anything that we’ve seen,” according to the defense secretary ) threatens — and Washington slashes the military. Reason stares.

Several arguments are advanced to justify the decimation of our defense. All of them are wrong.

The president asserts that we must move to “a new order that’s based on a different set of principles, that’s based on a sense of common humanity.” The old order, he is saying, where America’s disproportionate strength holds tyrants in check and preserves the sovereignty of nations, is to be replaced.