[Good guess. This would be a great move for Fiorina particularly. Whomever gets up and shares the stage with Trump is going to look very vice presidential.]
No way would Trump accept Carly to join him. She tries (unsuccessfully) to eviscerate him ever chance she gets, and quite frankly, no one would want to turn in to listen to her shrill condescending tone.
That’s true. Though he has nothing to lose in this case.