“That doesn’t mean that Trump won in 2016 without positions on issues. He did have positions, most of which were given to him, and he never studied or really understood them, but that doesn’t matter. So now, when challengers try to gain ground on him, they find themselves doing it locked into his policy positions. With few exceptions, none has broken out of the mold. So, they all end up looking like imitators, and primary voters tend to reason, “Why go with an imitator when the original real thing is there in the ring?”’