On the most recent episode of Amicus, Dahlia Lithwick spoke with renowned communications researcher and campaign adviser Anat Shenker-Osorio about the messaging of impeachment, how Republicans justify acquittal, and why it’s so dangerous to give Marjorie Taylor Greene a microphone. Their conversation has been edited and condensed for clarity.

Dahlia Lithwick: Set the table for us about how you have come to think about language, and messaging, and politics, and all the ways in which progressives just really are generally suck-ish at some of this.

Anat Shenker-Osorio: It’s hard to...