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