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