North & South Korea Government Reps Have Successful Talks On Olympics, Military Tensions; Heavy Rains in Southern California Cause Mudslides, At Least 5 Killed; College Football Playoff Championship: Alabama Wins, Deaf Girl Signs National Anthem, and Trump Makes Appearance; White House Negotiating Fate of DACA “Dreamers” and Border Wall; Mother Kills Husband, Two Sons, and Herself in Galveston Hotel Room; Gallaudet University Wins Online Competition “Helmet Bowl I”; Deaf Mayor of Angels Camp, California