Trump’s presidential blitz is realizing the dreams of conservative intellectuals in the Reagan-Bush era.Imagine a populist president who set out to create, “in the first weeks of his administration, a radically different perception of the presidency.” He could use “far-reaching executive orders” to “give various constituencies throughout the country the immediate conviction that this president, for a change, looks out for them.” The burst of presidential edicts would serve visceral as much as practical purposes: “The nation as a whole needs to be jarred by this newcomer’s determination to protect the country’s vital interests, perhaps by ordering, on national security...