PASCAL ROSSIGNOL STANDING in front of the remains of dozens of inflatable craft in the backyard of a police station, Captain Eric Binet has a message for migrants considering the sea crossing to Britain: don't risk your lives. Warm weather and a deceptively calm-looking sea are tempting dozens of migrants to board rubber dinghies for the 30 km crossing to Dover, whose white cliffs are visible from Calais, while police try to stop them before they put to sea. On Wednesday, a young Sudanese man was found dead on a French beach, the first victim this year of a new…