The policy of President Donald Trump has, thus far, sided with innovation, particularly with respect to artificial intelligence (AI). But of late, a safety-obsessed insurgency has arisen within the White House. Weeks of public statements and counterstatements, leaks and speculation, have at least yielded an executive order, published on June 2, which directs the creation of a “voluntary” program to vet “covered frontier models” for the purpose of maintaining cybersecurity. The order’s import and implications do not immediately reveal themselves. Indeed, its chief...