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