Every summer, people on the East Coast are told to stomp the spotted lanternfly. It's invasive, it damages crops, and scientists say killing them helps slow their spread. So why does it still feel bad? Vox's Sally Helm looked into that feeling and found out it has a name: moral residue. The guilt you feel when you do something you think is right but that still doesn't sit well with you. Listen wherever you get your podcasts. Subscribe to our channel and turn on notifications (🔔) so you don't