@22 True, but MLK wasn't trying to sell his religion, but acting on his understanding of what his faith demands.
I'd be a hell of a lot more impressed with Christianity if Christian leaders had enough faith in their Christ and his gospel to remonstrate with the rich and powerful and condemn their lack of noblesse oblige, rather than acting as sycophants to the princes of this world and taking the easy way out by pushing the prosperity gospel.