President Donald Trump praised a teenage California lifeguard as a hero during a Monday meeting at the White House, after the 16-year-old rescued a 10-year-old boy in a viral ocean rescue.Trump met with Ryder Williams, 16, and his family, as well as Nathaniel Rai—who was swept into the ocean by a wave—and his family. The rescue drew national attention when it was captured on video."It's an honor to be with Ryder Williams," Trump said in the Oval Office. "I understand he was a winner right from the time they first saw him as a lifeguard. He saved this young gentleman who I had a long talk with....