I do not think that will happen now due to Trump trashing Carson these past few days. Carson supporters tend to be religious and I think they would go to Cruz now after Trump doing his usual hateful person attacks on Carson.
Trump doubled down on Carson tonight on O’Riley, even though O’Riley tried to temper what Trump was saying, trying to help him out, but Trump denounced what O’Riley was saying and kept on the Carson personal attack. Frankly, Trump was disgusting.
Trump is done after the last few days. It’s over.