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