Natalie Coughlin on preparing for the Rio OlympicsThree-time Olympic gold medalist Natalie Coughlin explains why she decided to compete at the 2016 Summer Olympics in Rio de Janeiro.SI Staff|Share on FacebookShare on XAdd us on Three-time Olympic gold medalist Natalie Coughlin explains why she decided to compete at the 2016 Summer Olympics in Rio de Janeiro.Published Feb 10, 2016 | Modified Feb 10, 2016SI STAFFShare on FacebookShare on XHome/Olympics