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