How to tackle the millennial turnout gap

On paper, I'm a picture-perfect civically engaged millennial. I majored in political science, served in Teach for America and earned a master's in public administration.

But despite my passion for politics, I never voted in non-presidential elections. I knew it was important but didn't make it a priority.

Imagine what the country would look like if part-time voters like me showed up consistently.

In graduate school, I managed a year-long project on what it would take to make that happen. To answer that, I needed to understand what stops plugged-in,...