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