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