In general, the reason to listen to people is that they might have interesting ideas. "Who they are" is not important.
He is the only member of Congress who respects the Constitution.
So, I disagree with Ron Paul on this issue.
But it might be in your interest to learn who he is and why you should care.
He is perhaps the most consistent, level-headed and knowledgable politician in Washington.
I can cut the guy some slack him for making an occasional mistake.