Aaron Hamlin is the executive director and co-founder of The Center for Election Science. He has been featured as an electoral systems expert, given talks on different voting methods across the country, and written for publications such as Deadspin, USA Today Magazine, Independent Voter Network.  We will be discussing the pros and cons of approval voting and how it compares to ranked choice voting. We will also take a look into the recent approval voting election in St. Louis and how approval voting impacted the results there.