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