I ran across an interesting Lewis quote on democracy, which I think is quite true:
I am a democrat because I believe in the Fall of Man. I think most people are democrats for the opposite reason. A great deal of democratic enthusiasm descends from the ideas of people like Rousseau, who believed in democracy because they thought man- kind so wise and good that everyone deserved a share in the government. The danger of defending democracy on those grounds is that they're not true. ...
The real reason for democracy is just the reverse. Mankind is so fallen that no man can be trusted with unchecked power over his fellows. Aristotle said that some people were only fit to be slaves. I do not contradict him. But I reject slavery because I see no men fit to be masters.
Note the small d in "democrat"; he's not talking about US political parties.