"But I think men can 'feel the fear and do it anyway, '" says Amy Johnson, Ph.

CNN: Your guide to positive thinking

Included, along with Mary Landrieu, Claire McCaskill , Joe Manchin, Ben Nelson and Debbie Stabenow, are Sherrod Brown (Ohio), Bob Casey (Pennsylvania), Tim Johnson (South Dakota), Tom Carper (Delaware), Kent Conrad (North Dakota), Amy Klobuchar (Minnesota), Jim Webb (Virginia), Carl Levin (Michigan) and John Rockefeller (West Virginia).

FORBES: Reining In The EPA's Reign Of Error