The assumption all along has been that Cruz will win over Trump delegates on a second ballot. How come we never hear Trump winning over some Cruz delegates on a second ballot?
All you need is a few of those Cruz delegates to support a the voter chosen front-runner and it is over.
But, we all know that Trump is going to show up to the convention fully confident he wins. It is the art of the deal!
Realistically, that won't happen. Trump will poll his peak total in the first ballot, and it had better be enough. Many of his delegates were not chosen by Trump and hate him, and at least a few were chosen by Trump but are establishment plants chosen to defect on the second ballot. Delegates who are there to represent their state party worry that Trump will mess with a good thing. That is why voters support Trump, but it still rubs insiders the wrong way, and a whole lot of delegates are insiders.