'This image of Mr. Trump as a political Robin Hood whose illicit behavior is justified because it serves a greater good is doubly flawed. First, the lying and vulgarity are unrelated to the policies Mr. Trump’s base wants implemented. Second, his supporters purport to seek a restoration of American founding principles. This increasingly strains credulity. But if they profess constitutionalism, they should at least understand that it is more about process than policy. Constitutions depend on habits and traditions, not the momentary outcomes they produce. Mr. Trump’s upending of these customs, not his transient policies, will form the legacy that endures. The flasw are this...'