Michael Phelps celebrates winning the men’s 200-meter butterfly. (Esteban Biba/European Pressphoto Agency) The race went exactly like the last time Michael Phelps swam the 200-meter butterfly ...

wp:paragraph --> Now, when 28-time Olympic medalist Michael Phelps swims butterfly, it’s usually for an audience of one. When his 2-year old son Boomer waves his arms in imitation of the stroke ...