Who are the 30-40 fanatics in the Congress?

There have been a number of reports that the shutdown of the federal government is caused by 30-40 Tea Party Republicans in the House who have the rest of the Republicans scared and afraid to end the stalemate.

Who are these 30-40 members of Congress that are undermining our government and economy?  Let’s have some names and faces of these fanatics who are hurting us and our country.