There is no slick soundtrack and no Hollywood stars playing criminals, but Italian director Matteo Garrone’s “Gomorrah,” which won the Cannes Film Festival’s grand prize, and is currently screening at the New York Film Festival, is nothing short of riveting, and sadly - real. Over the last thirty years, the Comorra crime syndicate has murdered 4,000 people in Italy’s Naples and Caserta provinces. That number tops assasinations by the IRA, ETA and other European terrorist organizations…