Senator John Thune of SD is the latest and most high ranking in the GOP to call for Donald Trump to resign the nomination for President. Others like the Senator from NH are putting out goofy statements about how they will write in a candidate for President.
Now if Mr. Trump agreed to step aside, one assumes the RNC would put Governor Pence in the top slot. A new VP would be designated although all of this is complicated by existing ballots and differing state rules on electors.
I am not so sure Team Hillary wants say a Pence-Haley ticket as then the focus is solely on Mrs. Clinton's foibles.
For the record, Mr. Trump says he will not resign.