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