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