The murders of cartoonists and French police officers at the newspaper Charlie Hebdo last week have sparked a vigorous debate about tolerancefor, and even encouragement of, blasphemy in a free society. (...) But in discussing the potential costs of the Charlie Hebdo attacks and other violent responses to crude depictions of the prophet Muhammad, it’s important that we acknowledge the full spectrum of speech that’s in potential danger.

Three Arab countries have banned the Hollywood film "Noah" on religious grounds even before its worldwide premiere and several others are expected to follow suit, a representative of Paramount Pictures told Reuters on Saturday.