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