The key to fixing political polarization is in the primaries

The 80/20 rule, also known as the Pareto Principle, is a philosophy that says 80 percent of outcomes are derived from about 20 percent of activities. In business, it’s a positive and simple way to project investments and the productivity of a sales team.

In our democracy, the Pareto Principle is not a good thing.

According to a recent report, due to population dynamics and extreme partisan gerrymandering, 83 percent of congressional seats were decided by only 10 percent of eligible Americans. This powerful minority of citizens vote in primary elections. This...