And I think he will. Dubya is still not very popular among Republicans. Remember when he came to South Carolina to help Jeb? Jeb lost.
Some have said this is an effort to gauge support for a Dump Trump effort at the convention. Priebus denies it. But even if he's telling the truth (and I'd say the odds are that he is) it says a lot about the state of the Republican party.
It's hard to say what will be worse for them: Trump as the nominee leading them to disaster or Trump ousted and millions of his supporters leaving the party in a huff.
Yes, the publication is called HotAir but there's more than hot air here
I doubt if this news will cause Trump to tow the line like the party officials wish him to do. It will most likely to cause him to become even more unhinged due to the perceived betraying.