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