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