Peter Biskind is author of the new book "Easy Riders, Raging Bulls: How the Sex Drugs and Rock n Roll Generation Saved Hollywood." (Simon and Schuster) Biskind says after the success of the film "Easy Riders" Hollywood opened its doors to a wave of rebellious film makers that invigorated cinema in the 1970s with such films as "Chinatown," "Shampoo," "Nashville," "Taxi Driver," "The Godfather," and "Jaws." He also authored two previous books: "Seeing is Believing," and "The Godfather Companion.&qu