Where the government uses or attempts to regulate a particular medium, we have been informed by its accepted usage in determining whether a particular restriction on speech is necessary for the pro-gram's purposes and limitations.
When the government tries to regulate a medium, we have been told what is acceptable.
The Carter years were represented in Safire's column by a series of associative wordplays--Billygate, Waterquiddick, peanutgate, Koreagate, and--most significantly--Lancegate.