premise: If Kristol really wants somebody else, why can't he tell us who? Sarah, Jeb, Paul Ryan? Michael Ledeen? He may not want to tell primary voters how to cast their ballots, but surely <hypo>.
hypothesis: <hypo> should be "he could tell us who he would vote for in the Iowa caucuses or the primaries in South Carolina, New Hampshire and Florida if he had more than the choices who will actually be available"