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