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