‘Intensity and enthusiasm’ key in frigid Iowa Caucuses

Concern over voter turnout is growing with extreme weather conditions worsening in Iowa. NBC News Senior Political Editor Mark Murray says enthusiasm and commitment could prove important, and that may benefit former President Donald Trump. » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: https://link.nbcnews.com/join/5cj/breaking-news-signup?cid=sm_npd_nn_yt_bn-clip_190621 Visit NBCNews.Com: https://www.nbcnews.com/ Find NBC News on Facebook: https://www.facebook.com/NBCNews Follow NBC News on Twitter: https://twitter.com/NBCNews Get more of NBC News delivered to your inbox: nbcnews.com/newsletters #Iowa #Trump #ExtremeWeather

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