“They testify in front of Congress, these kids. What are you doing? You’re young, you should be crazy, you should be unhinged,” he said. “’I am here to tell…’ F--k you. You’re not interesting ‘cause you went to a high school where kids got shot. Why does that mean I have to listen to you? How does that make you interesting? You didn’t get shot. You put some fat kid in the way and now I gotta listen to you talking?”