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