Guy Lalibert, billionare, former street performer and the eccentric founder of the Cirque Du Soleil, has his sights firmly set on the equally eccentric author of unauthorized biographies and tell-all books, Ian Halperin and it's about to get ugly. A major legal battle is unfolding between these two most colorful characters and it's threatening to develop into a lively media circus. Halperin's tell-all book