Jonah Goldberg acknowledges a double standard regarding what pictures are shown to the public.
And, via Instapundit Glenn Reynolds, a quote from Gregory Gause, director of Middle East studies at the University of Vermont, in USAToday.com:
Berg's execution is "a particularly gruesome and graphic way" for terrorists to "get their point across that they will kill any American they can find," says Gregory Gause, director of Middle East studies at the University of Vermont. "My fear is that this awful act will lend credence to people in this country who say that whatever we do, others do worse."