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