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