“People in our party are talking about what we’re going to do about this,” Priebus said. “I mean there’s a ballot access issue in South Carolina. In order to be on the ballot in South Carolina, you actually have to pledge your support to the nominee, no matter who that person is. So what’s the penalty for that? It’s not a threat, but that’s just the question that we have a process in place.

“And if a private entity puts forward a process and has agreement with the participants in that process, and those participants don’t follow through with the promises that they made in that process, what — what should a private party do about that if those same people come around in four or eight years?”

Cruz addressed the issue of the pledge during a talk to members of the Texas Republican delegation on July 21, the day after he was booed off stage in Cleveland.

“That pledge was not a blanket commitment that if you go and slander and attack [my wife], that I’m going to nonetheless come like a servile puppy dog and say thank you very much for maligning my wife and maligning my father,” Cruz said.

Kasich said in June on MSNBC that he was likely to break the pledge.

“You know, people even get divorces,” Kasich said.