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