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