‘The wolf is at the door’: Hayes warns Trump is building a police state

Good evening from New York, I'm Chris Hayes. Tens of thousands of people marched across the country today in Minneapolis, Los Angeles, New York, Chicago, Cleveland, many of them braving sub-zero temperatures to protest the police state that Donald Trump is attempting to build before our eyes. A police state uses its power to crush dissent, to terrorize the populace, to force them to submit to its political will.It is a perversion of the policing power. And for the past year we have watched the federal gover ...