Opining on the Opening Ceremony; Katie Ledecky's living legacy

The Games are open! Friday's glittering Opening Ceremony was also an historic one, and Olympics.com producers ZK Goh and Eleanor Lee join host Nick McCarvel to break it all down... from the lighting of the Olympic cauldron to Celine Dion's stunning performance on the Eiffel Tower. ZK and Eleanor also give their stories to watch in Paris. Plus, Nick heads to Katie Ledecky's press conference to ask the living legend of the pool what she's learned from the Games.