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