http://www.desmoinesregister.com/story/news/elections/presidential/caucus/2016/01/14/sanders-could-be-hurt-by-concentration-of-young-fans/78741864/Bernie Sanders might slip in the Iowa caucuses' delegate tally because his support is relatively concentrated in college towns, the new Iowa Poll suggests. If a candidate’s supporters are concentrated in a few precincts, they could wind up translating into fewer delegates than if supporters were spread evenly across the state.
In 2008, caucuses were January 3 when students were still on vacation. This year, with the caucuses on Feb. 1 and the universities in session, students who want to go home for the caucuses could face missed classes and long drives on icy roads.