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