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