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