Why is Trump bigger news than, say, Jon Corzine?

First, can anyone find a voter who was inclined to vote for Romney, but who is jumping off the bandwagon because of Trump? A single example of this? I’m talking about more than a Romney supporter who isn’t fond of Trump and would prefer the mogul focused on his core competencies, like lines of neckties, board games, and Oreo Double Stuff commercials.

Are the statements of Trump any more or less controversial than those of, say, Obama’s million-dollar donor Bill Maher?