What should I get my dad for Christmas?

I don't live with him, and we don't have a very close relationship at all. I feel obligated, however, to get him at least something small for Christmas. Last year I bought him a tie, and before that a shave kit. I do not have a ton of money this year, so I'm looking for something very little and inexpensive. He is a very business-focused man, and travels a lot for his job. He is a democrat and is very politically involved. I was thinking I could get him a Waterford democrat donkey ornament, but I'm not sure he would like it. Any ideas?