Actor Tim Robbins speaks during a concert celebrating the 90th birthday of musician Pete Seeger in New York May 3, 2009. The concert at Madison Square Garden has an all-star roster of performers with proceeds to benefit Hudson River Sloop Clearwater, a non-profit corporation founded by Seeger in 1966 to bring environmental attention to the Hudson River Valley. Reuters Pictures 6 months ago

Actor Tim Robbins speaks during a concert celebrating the 90th birthday of musician Pete Seeger in New York May 3, 2009. The concert at Madison Square Garden has an all-star roster of performers with proceeds to benefit Hudson River Sloop Clearwater, a non-profit corporation founded by Seeger in 1966 to bring environmental attention to the Hudson River Valley.