Katie Ledecky is a household name in the sport of swimming, and she's only 27 years old. Already one of the most decorated swimmers ever, the way she finishes races eclipses the norm of it coming down to hundredths of a second. Missy Franklin Johnson is a five-time Olympic medalist who knows what it takes to break and hold records in this sport. She discusses the importance of not becoming complacent while watching Katie's greatness but truly understanding how dominant she is in real time.