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