 We're going to sort through some of that chatter. We'll talk about the way misinformation has spread and then consider the broader story of political violence, both in the U.S. and globally. And we're going to start by checking in with national security expert Juliette Kayyem. She's a professor of national security at Harvard's Kennedy School of Government, CNN's national security analyst and author most recently of the book, The Devil Never Sleeps, Learning to Live in an Age of Disasters. Juliette, welcome back to Notes from America.