I can’t add much, other than it has always amazed me that Christian conservative like Ayn Rand, when she was such a militant atheist.
What sort of conservatism blends Jesus with Ayn Rand? Oh, that would be contemporary Tea Party conservatism.
But why isn’t it more widely noticed that “Christian libertarian” is an oxymoron? I would argue that this has to do with the human mind’s capacity for compartmentalization and cognitive dissonance, for Jesus and Rand simply do not go together coherently. Buckley, before he died, was less illusioned: he saw that his Catholicism and Randianism are not a match. Rand herself recognized this as well. She was an atheist.