Leading up to the 2018 midterm elections, one of the biggest questions for pundits, activists, and candidates alike (aside from the outcome) was about the role and effect of disinformation. Two years after the 2016 election, which was shaped by disinformation in unprecedented ways, scholars, lawmakers, and online platforms are still struggling to make sense of this phenomenon. What interventions work, and which ones don’t? And what are the consequences of those efforts? What are the offline components of combatting disinformation? What effects of disinformation have actually been documented?