I think so too. As I recall, the FD only applies to either public broadcasts and/or actual news casts and conservative talk radio falls under entertainment. Government laws to stop talk radio would be censorship and would surely be challenged in court for decades if need be.
Don’t be to sure. If there’s one thing I’ve learned, it’s that the Left doesn’t like conflicting opinions. They were shouting people down forty years ago at the universities, and they’re still trying to do it today.