Islam is Immune from Parody?

This New York Times editorial raises questions as to why South Park has be censored when they depicted images of the prophet Muhammad?  The writer contends the fear and censorship stems from the threat of violent retribution.

Please recall that no subject has ever been safe from the parody of South Park.  Why a difference in this case?  It is hard to imagine a different explanation from what our editorial writer offers…

iggydonnelly