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