Liberals: "The most liberal members in the Senate include Sens. Sherrod Brown (D-OH), Roland Burris (D-IL), Ben Cardin (D-MD), Jack Reed (D-RI) and Sheldon Whitehouse (D-RI), all tied for first place. In the House, 8 members share the distinction -- Reps. Rush Holt (D-NJ), Gwen Moore (D-WI), John Olver (D-MA), Linda Sanchez (D-CA), Jan Schakowsky (D-IL), Mel Watt (D-NC) and Henry Waxman (D-CA) are tied for the top spot."
Conservatives: "Unlike Dems, GOPers get to fete a clear winner in the most-conservative sweepstakes: This year, Sen. Jim Inhofe (R-OK) takes the prize. He's closely followed by Sens. Jim DeMint (R-SC), Jim Bunning (R-KY) and Tom Coburn (R-OK). In the House, Reps. Trent Franks (R-AZ), Doug Lamborn (R-CO), Randy Neugebauer (R-TX), Pete Olson (R-TX), John Shadegg (R-AZ) and Mac Thornberry (R-TX) share the prize."