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