The truth is we're becoming a foul-mouthed nation. And Rep. Doug Ose, a Republican congressman from California, has set out to, if not exactly reverse the trend, at least keep dirty words off the airwaves. He has been joined in that lonely crusade only by Rep. Lamar Smith, R-Texas. Earlier this month, he introduced H.R. 3687, the Clean Airwaves Act, which would ban the broadcast of eight common obscenities. We are not going to print them although no one familiar with modern cinema, hip-hop or the transcripts of the late President Nixon would find them surprising. What outraged Ose was...