Tokyo Olympics August 5, 2021 7:43 pm 1-on-1 With Caeleb Dressel's Mother Swimmer Caeleb Swimmer is the most decorated U.S. athlete at the Tokyo Olympics, winning five gold medals in the pool. His mom told us he was a perfectionist since the age of 3. US & World Videos 3:40 Second round of rain on the way, isolated thunderstorms possible 2:40 Cambridge bans right turns on red lights 2:23 Friend of John O'Keefe testifies in Karen Read trial 1:20 Police activity in Bridgewater connected to investigation 0:59 5-time Olympic medalist swimmer John Naber reflects on his slice of history