He has courage. He gave great reasons for his views and he's the only one I can think of right now who is really going out there and laying it out.
I can think of some who drop a comment here and there but not many who are as vocal as the anti-war Hollywood flakes.
A lot of people think that Tom Selleck's career stalled after he started being vocal with his conservative views. The list of conservative entertainers is suprisingly long, and containes some unusual names. There have been several threads on this topic.