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