Carlson says he has had calls from the conservative Politburo, including one from Michael Ledeen, a former Reagan National Security aide, who told him, No one who believes what we believe should be attacking Grover.
Politburo and Ledeen are the only people who called Carlson. 
mnli hypothesis: Politburo and Ledeen are the only people who called Carlson.  premise: Carlson says he has had calls from the conservative Politburo, including one from Michael Ledeen, a former Reagan National Security aide, who told him, No one who believes what we believe should be attacking Grover.