How to watch Kris Horn, Team USA's Olympic bobsledder from Pembroke

Steve Kornacki breaks down obscure Olympic sports on 'Keeping Score' Steve Kornacki explains how "Keeping Score" helps viewers understand obscure Olympic sports and the rules behind them. Kris Horn's father, Ken, went on a four-man bobsled run as a tourist in Utah about three years ago, just to try to wrap his mind around what his son's life is like these days. "They take you down at maybe 60 miles an hour," Ken Horn recalled recently. "If I knew where the brake was, I would have stopped the thing and jumped off. I was terrified." Kris Horn's younger brother, Kory, also did a tourist run in St. Louis last year. "I went with a friend of mine who does white-water kayaking and all this...