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