>> thank you for joining us. >>> good morning, america. arctic air, dangerous bitter cold blasting across the country. 19 states under windchill warnings this morning. millions feeling the bone chilling cold. plus, mountains of snow smashing records. more than six feet falling in the east and the new winter storm warning right now. >>> air security breach, an unauthorized passenger getting on a flight from los angeles to tokyo. the plane turning around after four hours when the crew realized he didn't have a ticket. chrissy teigen and john legend also on board live tweeting the midair nightmare. how could this security breach happen? >>> shots fired, panic at a mall on one of the biggest shopping days of the year. stores packed on this holiday week.