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