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