By Mark Peranson The 75th anniversary celebration of Cannes was very much a “celebration of cinema,” a my-God-it’s-full-of-stars-studded affair intended as a show of power that, rightly, would make any other such movie-based event jealous. As witnessed by its anniversary trailer, which added (seemingly via Photoshop) the names of Cannes-branded auteurs like Federico Fellini, Xavier…