Katie Ledecky has become so dominant that other swimmers set a hilariously low bar for competing against her

Jeff Curry/Getty With the Rio Olympics just over a month away, 19-year-old US swimmer Katie Ledecky looks poised to dominate the games. On Monday, Ledecky swam in the US time trials, winning the 400 meter freestyle in what's essentially become a formality for her. Incredibly, Ledecky's time of 3 minutes and 58.98 seconds was considered a disappointment, as it came slightly less than a second away from the world record — which she owns. Despite audible disappointment from the crowd, it was als...