http://blogs.4j.lane.edu/seager_m/2016/11/08/electoral-college-and-voting-videos/
Presidential
Electoral College Intro: https://www.youtube.com/watch?v=xYzxQhopCCE
Electoral College in Depth: https://www.youtube.com/watch?v=OUS9mM8Xbbw
The Trouble with the Electoral College: https://www.youtube.com/watch?v=7wC42HgLA4k
More Electoral College (Disney): https://www.youtube.com/watch?v=ok_VQ8I7g6I&index=3&l
Primaries
Primaries Explained: https://www.youtube.com/watch?v=_95I_1rZiIs
Primaries and Caucuses: https://www.youtube.com/watch?v=ojELcKHdwvA&