No, although I am a pretty die-hard liberal and I have a close friend who is a pretty die-hard republican, it didn''t really cause any friction. We made a lot of jokes about it, and he has been a really good sport about being on the receiving end of the jokes since the election.
However, in 2004, I was still in college, and 2 of my roommates and I went to vote together. They voted for Bush, and I didn''t. That caused a lot of tension and friction in the apt. for a while, and it honestly changed my view of both of them to a degree. We''re still very close friends, but I still in a way hold it against them (not that I would against anyone who voted from him, it was much more about their reasons for voting for him). We do not talk about politics.