Pretty sure this is only news to those who have not read his books.
GOPe strategy: knock off the candidates one by one, until only Trump and Jeb are left.
Then appeal to the “reasonableness” of the voters, to support Jeb (who may have acquired enough convention votes, one way or another, to win the nomination).
Recall what was done to Herman Cain.
Hmm, I wonder how many people in the US have not read Ben Carson’s books...