The peerless swimmer Katie Ledecky; a photo essay of Olympians and their heroes; the sprinter Justin Gatlin’s comeback; how Boston’s citizens fought to reject their city’s bid; and 10 writers on their memories of Games past. July 31, 2016 The Comeback Created with Sketch. Justin Gatlin, once a gold-medal sprinter, was disgraced by a four-year doping ban. Now he’s both the oldest Olympic sprinter i