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