IRAN / Across five portraits spanning half a century, Rehearsals for a Revolution turns private loss into public memory, showing how Iran’s resistance movements continue to return after every crackdown.Rehearsals for a RevolutionDirector: Pegah AhangaraniProducer: Media Nest, Fasten FilmsInternational sales: The Party Film SalesCountry: Czech Republic, SpainYad is a Farsi word with no direct English translation. «Memory» is not quite right, for …