Johnson and Nikhil talk about different voting systems and how they would affect the American political landscape.
Minnesota’s famous 1998 gubernatorial election: https://en.wikipedia.org/wiki/Minnesota_gubernatorial_election,_1998
Richmond, Virgina’s 2016 mayoral election: https://en.wikipedia.org/wiki/Richmond,_Virginia_mayoral_election,_2016 (Nikhil apologizes - the winner got 35% of the vote, not 20% as he thought)
Shifting four counties changes the 2016 election: http://wapo.st/2s1ppMi
Some weird problems with other voting systems: http://zesty.ca/voting/sim/
How to run your own Concordet election!: http://civs.cs.cornell.edu/
The organization leading the voting reform effort: www.fairvote.org
CGP Grey videos that explain voting theory systems very nicely: http://bit.ly/2s1pMXc