Twenty years after the unbelievable events at Lillehammer made the 2004 women’s ice skating arena the hottest media story on the planet, NBC’s Mary Carillo returns to the story, and leading participants Nancy Kerrigan and Tonya Harding, to put things in a still-wild perspective. Kerrigan was attacked prior to competing, and her knee hit with a blunt instrument, by people sympathetic to her on-ice rival, Harding. What a story, then and now.