PARIS (Reuters) - Paris prosecutors received a legal complaint on Wednesday filed by French writer Tristane Banon alleging that former IMF chief Dominique Strauss-Kahn attempted to rape her in 2003, a judicial source said. The source said prosecutors were examining the complaint, which has thrown up a new hurdle to any political comeback by Strauss-Kahn, pegged as a frontrunner for the 2012 presidential...