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