From page 11 on this poll: http://www.foxnews.com/politics/interactive/2015/12/11/fox-news-poll-cruz-clinton-lead-in-iowa/

It seems that Bernie winning the nomination in Iowa hinges on the turnout of the under-45 crowd. College students can actually save the world if they only get up and out and vote.

I have a feeling this is going to be a trend across the country.