Surprised no one has posted this yet.
http://nationaljournal.com/2011voteratings/congress-divided-2011-vote-ratings-20120223Most liberal House (tie):
Grijalva (AZ-7)
Woolsey (CA-6)
Lee (CA-9)
Chu (CA-32)
Napolitano (CA-38)
Filner (CA-51)
Jackson, Jr. (IL-2)
Edwards (MD-4)
Olver (MA-1)
Capuano (MA-8)
Clarke (MI-13)
Ellison (MN-5)
Clay (MO-1)
Pallone (NJ-6)
Payne (NJ-10)
Serrano (NY-16)
Tonko (NY-21)
Most conservative House (tie):
Quayle (AZ-3)
Lamborn (CO-5)
Miller (FL-1)
Ross (FL-12)
Westmoreland (GA-3)
Price (GA-6)
Gingrey (GA-11)
Latta (OH-5)
Black (TN-6)
Fincher (TN-8)
Most liberal Senate:
1. Kirsten Gillibrand, N.Y. (D)
1. Jeff Merkley, Ore. (D)
3. Daniel Akaka, Hawaii (D)
3. Dick Durbin, Ill. (D)
5. Barbara Boxer, Calif. (D)
5. Sherrod Brown, Ohio (D)
5. Tom Harkin, Iowa (D)
5. Barbara Mikulski, Md. (D)
5. Tom Udall, N.M. (D)
Most conservative Senate:
1. Tom Coburn, Okla. (R)
2. Ron Johnson, Wis. (R)
3. Mike Crapo, Idaho (R)
4. Michael Enzi, Wyo. (R)
5. John Barrasso, Wyo. (R)
-------
If this is accurate, it should be easy to take out Ron Johnson in 2016.