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