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