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