BERLIN (Reuters) – Paris in the small hours and even the party-goers are asleep. The city is quiet apart from the whisperings of all-night radio phone-ins, forging the insomniacs, the lovelorn and the lost into a fleeting community. Mikhael Hers’s “The Passengers of the Night”, which premieres at the Berlin Film Festival on Sunday, is a tribute to the night-time radio of the early 1980s when, as one character puts it, the medium still had “the monopoly of the night”. Starring Charlotte Gainsbourg as Elisabeth, a recently divorced mother, the film, one of 18 competing for the festival’s top pri…