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