Brian Klaas: “Republican fealty to Donald Trump—no matter his crimes, no matter his moral transgressions—is the hallmark of authoritarian devotion to a man, regardless of policies or ideas. It’s the telltale sign of a broken political party—one that long ago abandoned principles and values, falling back instead on an amoral, unwavering allegiance, by which Trump can do no wrong.” “By contrast, the Democratic freak-out over Joe Biden is a sign of a healthy political party.