Regardless, we can't shut up because then people like the despicable little cockroaches that murdered twelve people in France this week are the winners. They win - we lose. It's that simple.
While I was learning to speak and read French, I used old copies of "Charlie Hebdo" as a rather painless way of exposing myself to some French slang and contemporary use of the language. Let me tell you...it is an equal opportunity offender. Every religion is fair game there.
Obviously, the magazine was staffed by people to whom free speech was important. May they rest in peace.