The only mom on Team USA won gold on her 18th try

It’s going to be tough to top Breck Randall on show-and-tell day at his school in a few years. Randall’s mom, Kikkan Randall, won a gold medal for the United States in cross-country skiing Wednesday. Randall is the only mother on the U.S. Olympic team in PyeongChang. At 35, this is Randall’s fifth Winter Olympics...