tomorrow is still up in the air. >> a brutal winter storm pounds the u.s. as millions prepare to assess the damage. the details from cnn's weather center. plus, north korea launches four missiles. we are live for you this hour in tokyo. and the australian open is finally underway without tennis star novak djokovic. we'll have a live report from melbourne on what this means for the tournament. >> announcer: live from london this is "cnn newsroom" with isa soares. welcome to the show. it is monday, january 17. a brutal winter storm battering much of the southern united states with freezing rain and snow is heading north. as many as 80 million americans were under winter weather alerts