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