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