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