Sharon McMahon is a former public school teacher who now teaches civics to over a million people on the internet. Kelly caught up with her at the Aspen Ideas Festival, and this clip is about something that feels urgent right now: the difference between just knowing more and actually doing something — and why cynicism, left unchecked, might be the most dangerous force in a democracy.

Special thanks to the Aspen Ideas Festival where this episode was recorded - especiallyTricia Johnson, Kara Stein, Sophia Greiper, Katie Trenchard and Gabe Chenoweth.