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