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