Him and his cretinous audience won't be coerced, and it is less important to convince the yanks of the truth really, because it's not like there's a massive sway of public opinion over there on Hillsboro one way or the other. Vast majority will still never have heard of it, those who want to learn will easily be able to find the truth, and the willfully ignorant will remain so. Keep hitting him in his pocket, and if you ever bump into him keep hitting him in his face.