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