Natural Resources Defense Council 11th Annual Forces For Nature Benefit(Robert F. Kennedy)

Musician Paul McCartney and Robert F. Kennedy, Jr. attend the Natural Resources Defense Council's 11th Annual `Forces For Nature' Benefit at 583 Park Avenue on March 30, 2009 in New York City. (Photo by Andrew H. Walker/Getty Images) *** Local Caption *** Robert F. Kennedy, Jr.;Paul McCartney

( - Photo by Andrew H. Walker/Getty Images North America)