interstate like this video we're seeing here. that's really scary. >> it is. i couldn't agree with you more. for those unfamiliar with the reference to black ice, because we have a domestic audience and international audience. black ice is when it looks like it's just kind of a damp roadway or damp highway. when in fact it is frozen precipitation, it's clear. so it looks like it's a damp road. in fact, it's very easy to slide on and really so treacherous and hazardous driving conditions all the way from the northern tier states to the great lakes, the ohio river valley. earlier into new england, the cold air plunged into the panhandle of texas with sharply colder temperatures. it is amazing how the temperatures in dallas and in houston and in nashville went to not a record setting temperatures but very warm for this time of year.