WIS NBC Nightly News With Lester Holt February 12, 2016
A huge part of the country in its grip as the dreaded polar vortex moves south. Parts of 16 states will see temperatures below zero and windchills that make it feel a lot colder. Yes, its winter. Its february, its supposed to be cold, but as weve come to know cold snaps of this extreme can be deadly, and in this case tens of millions of people are bracing for the biggest chill so far this season. In a moment, al roker, but we begin with nbcs ron mott in boston. Reporter 65 million americans bundled up against the brutal cold as the ever present polar vortex unleashes winters harshest bite yet....