Every Sunday, to close the weekend, Wendy Bouchard questions an actor in society, these essential people who participate in changing the world.

Today, Isabelle Autissier and Yann Queffélec.

Guest (s): Isabelle Autissier (navigator and honorary president of WWF France) and Yann Queffélec (emeritus sailor and lover of words who has just published "La Mer et au-après", literary story and tribute to Florence Arthaud)