| Male | Daniel Akaka,
Evan Bayh,
Mark Begich,
Jeff Bingaman,
Sherrod Brown,
Roland Burris,
Ben Cardin,
Bob Casey,
Kent Conrad,
Chris Dodd,
Dick Durbin,
Russ Feingold,
Tom Harkin,
Daniel Inouye,
Edward Kaufman,
John Kerry,
Herb Kohl,
Frank Lautenberg,
Patrick Leahy,
Carl Levin,
Joseph Lieberman,
Robert Menendez,
Jeff Merkley,
Bill Nelson,
Jack Reed,
Harry Reid,
Bernard Sanders,
Chuck Schumer,
Tom Udall,
Mark Udall,
Mark Warner,
Jim Webb,
Sheldon Whitehouse,
Ron Wyden | Lamar Alexander,
John Barrasso,
Max Baucus,
Michael Bennet,
Bob Bennett,
Kit Bond,
Sam Brownback,
Jim Bunning,
Richard Burr,
Robert Byrd,
Tom Carper,
Saxby Chambliss,
Tom Coburn,
Thad Cochran,
Bob Corker,
John Cornyn,
Mike Crapo,
Jim DeMint,
Byron Dorgan,
John Ensign,
Mike Enzi,
Lindsey Graham,
Chuck Grassley,
Judd Gregg,
Orrin Hatch,
James Inhofe,
Johnny Isakson,
Mike Johanns,
Tim Johnson,
Jon Kyl,
Richard Lugar,
Mel Martinez,
John McCain,
Mitch McConnell,
Ben Nelson,
Mark Pryor,
James Risch,
Pat Roberts,
Richard Shelby,
Arlen Specter,
Jon Tester,
John Thune,
David Vitter,
George Voinovich,
Roger Wicker | Edward Kennedy,
Jay Rockefeller,
Jeff Sessions |