Are the Republicans disintegrating before our eyes?

Earlier this week, Trump said that he was considering becoming an independent candidate (that is, not a Republican) because, well, the Party is scare of the damage he would do to the ticket.

Today, Ben Carson made the same threat link

So now there’s the potential that two of the major candidates are going to so it alone, out of pique with their Party overlords.

If it weren’t so consequential, this would be funny.

Is this a bluff?