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