"Ensuring that government follows the same nonaggression principle as law-abiding citizens is the key to a society of freedom, peace, and prosperity," writes Dr. Paul.
The director of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), Steve Dettelbach, could not define an "assault weapon" during a budget request hearing.
PBS spokesman Jason Phelps said, "PBS stopped tweeting from our account when we learned of the change and we have no plans to resume at this time. We are continuing to monitor the ever-changing situation closely."