Sports take on a new meaning when a gold medal is on the line, and whether it's the Summer or Winter Olympics--or the Paralympics that follow--the athletes always find a way to deliver. From the enduring dominance of swimmer Michael Phelps to gymnast Nadia Comaneci's perfect routine or the thrilling performances of snowboarder Chloe Kim, the Olympics just seem to draw people in. This guide covers all the thrilling moments and greatest stars from Olympic...