Steve Van Zandt is an American musician, actor and activist. He is best known as a member of Bruce Springsteen's E Street Band and for his role in the TV drama series, The Sopranos.    His new book, Unrequited Infatuations, tells the story of his journey from Surburban New Jersey in the early '60s to performing on some of the world's largest stages and using rock and soul to change the world.   Steve talks top Krishnan about how The Beatles had a profound effect on the course of his career and how he has used his music to influence politics and social affairs.