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