Election Forecasting

Not sure if you heard, but there's an election going on right now. Polls, surveys, and projections about, as far as the eye can see. How to make sense of it all? How are the projections made? Which are some good ones to follow? We'll be your trusty guides through a crash course in election forecasting.

Relevant links:
http://www.wired.com/2016/06/civis-election-polling-clinton-sanders-trump/
http://election.princeton.edu/
http://projects.fivethirtyeight.com/2016-election-forecast/
http://www.nytimes.com/interactive/2016/upshot/presidential-polls-forecast.html?rref=collection%2Fsectioncollection%2Fupshot&action=click&contentCollection=upshot®ion=rank&module=package&version=highlights&contentPlacement=5&pgtype=sectionfront