AP Photo/Alex Brandon President Donald Trump's Supreme Court nominee, Brett Kavanaugh, testifies before the Senate Judiciary Committee on Capitol Hill P olitical scientists use the word legitimacy to mean a government that is broadly seen as having the right to govern. Consent of the governed was also a prime concern of America’s Founders. For most of America’s history, our government enjoyed broad legitimacy. It look a long time, of course, for the national government to regain legitimacy in Dixie. And if you scratch below the surface, many Southern whites still question its legitimacy. But for most of the post-World War II era, our government was seen as broadly legitimate. Alas, it has not been legitimate since 2000, when George W. Bush, with the complicity of five Supreme Court justices, stole the election. That means citizens might rightly question the legitimacy of policies enacted by Republican presidents and their Supreme Court appointees ever since. Under President Obama,...