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