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