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