But I always knew, as one had to know - and it was in his writing too - that he had this mean streak in him, of a kind of paranoia - a conspiracy-based paranoid view of the world, and particularly of American history, which leads to isolationism and what I call Lindberg-ism, because he was a great admirer of [Charles] Lindberg, because this stuff is indissoluble from a very tiny stain of Judaeo-phobia which he could never dispel. He had it in under control - but it's quite hard to keep it under control.