"All of the foreign policy establishment, the A-listers, were working for Jeb (Bush )or Marco (Rubio)," Barry Bennett, Carson's campaign manager, told The Hill. "So here's this 28-year-old kid who is not terribly sophisticated, but he solved my problem of needing to put a bunch of names on a list. I'm sure he wrote some things for us, but I don't know that we used any of it."