Nick Vivarelli International CorrespondentThe Venice, Toronto, Telluride and New York Film Festivals have joined forces in an alliance that will see the prominent fall events, all positioned six weeks from each other, collaborate rather than compete in a spirit of post-pandemic solidarity.The statement announcing this alliance provides scant details of what concrete form it will take, beyond saying that they “are offering our festivals as a united platform for the best cinema we can find.” But