Ran across a link in my travels that I found quite interesting ... for us less politically inclinded souls. I had a vague idea of who does what, but I'm sure I'm not the only one who doesn't understand American politics. Anyway, for us dummies, it is enlightening:
The Directory of US Political Parties:
http://www.politics1.com/parties.htm
The Directory of US Political Parties:
http://www.politics1.com/parties.htm