Crisp powder blue shirting, the shock of red wool, and a puff of a curly bob—Visions du Réel Artistic Director Emilie Bujès was everywhere at this year’s festival, whether on stage at Place du Réel, smiling as she greeted friends old and new, or grasping a karaoke mic with her staff. Just two weeks before the opening of the annual creative nonfiction festival in Nyon, Switzerland, Bujès announced…