I guess I'm just not sure you can convict someone for being part of a thing that you then refuse to define.
Sam Bergman
Journalist: “How do you define Antifa? What is Antifa?”
US Attorney Rosen: "So, what is Antifa goes beyond i think the scope of this indictment is. But what I can tell you is we have plenty of people who self identify that way, you might want to ask them that question"