(FILES) France's national handball team general manager Claude Onesta looks on during the 25th IHF Men's World Championship 2017 final handball match between France and Norway on January 29, 2017 at the AccorHotels Arena in Paris. Tasked with making the French team shine at the 2024 Olympics, Claude Onesta explains in a book "his method," but also what he describes as a "marathon of suffering" undertaken to "shake up" institutional mechanisms and build up the National Sports Agency, whose scope is now being called into question. (Photo by FRANCK FIFE / AFP via Getty Images)