Deadly winter storm slams parts of the country with snow and freezing rain

deadly and potentially historic winter storm slamming millions of us across the country. It is a triple threat of snow, of ice, and this life-threatening arctic cold that's going to stick around for days. I want to show you here.You're seeing some of these pictures we're getting in. Let me see if we can get a live look here. This is Boston.It is really coming down out there. We show you the latest track with the system taking aim at the Mid-Atlantic. That's New York on the left, by the way, too, live.And if ...