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