Bob Bowman might not be a name most Americans know, but they’re quite familiar with his work, even if unaware. And Bowman’s work includes coaching Michael Phelps and the United States swim team through four Olympics. So why, then, is the longtime United States swim coach supporting France at the 2024 Paris Olympics? That’s pretty simple. He also coached one of the top French swimmers, one who is quickly becoming something of a local sensation: Leon Marchand. Bowman and Marchand’s paths crossed over during one season at Arizona State, with Bowman coaching and the Frenchman in the pool, guiding …