This August, we’ve got a good grouping of titles that are positioning themselves for a Cannes release next May.Four Cannes regulars will begin production this month: we have Paolo Sorrentino’s English language debut film This Must be the Place, Pedro Almodóvar’s La piel que habito, Bruno Dumont L’empire and Walter Salles’s On the Road.On the RoadDirector: Walter SallesScreenwriter: Jose RiveraP…