> hi, martha. i just got breaking news from my producer that the temperature ticked up to 1 degree. this is the first time it's been above zero in a couple days. in all seriousness, it's clear that the campaigns are le Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">
> hi, martha. i just got breaking news from my producer that the temperature ticked up to 1 degree. this is the first time it's been above zero in a couple days. in all seriousness, it's clear that the campaigns are le Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description">
> hi, martha. i just got breaking news from my producer that the temperature ticked up to 1 degree. this is the first time it's been above zero in a couple days. in all seriousness, it's clear that the campaigns are le Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">
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>> martha: we're back. have we mentioned it's cold outside. >> the coldest caucus day ever? it's interesting to see what happens tonight. those are the temperatures. when it's pink, it means it's extraordinarily frosty out there. tonight we've got the first in the nation caucuses, a historic event. every four years. the state republican chairman tells fox news digital that there is still a chance that they could have a record turnout tonight because he says "the enthusiasm is there." grady trimble reporting live from urbandale outside of des moines for us. hi, grady. >> hi, martha. i just got breaking news from my producer that the temperature ticked up to 1 degree. this is the first time it's been above zero in a couple days. in all seriousness, it's clear that the campaigns are le