It's hard to know who to trust in politics these days. Can we even trust ourselves? Artificial intelligence has already made its presence felt in this year’s election, from AI-generated ads to fake Biden robocalls, and it can be very hard to tell what’s real. Nicole Gill founded Accountable Tech four years ago to monitor AI’s increasing impact on politics. She talks to CNN Political Director David Chalian about the biggest threats it presents, and how lawmakers are responding in real time.