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