One poll is not faltering.
Brokered is already being handled and the party is handling it without the ugliness we see in the donkey camp.
Unity, or the appearance of it will be the face of the convention. They know better than to fool with messing with Trump's message and delivery. It's working like nothing we've seen before. The GOP is stupid but they do catch on eventually.
With the Trump model there is one winner only.
The old rules are not in evidence this time.