Whoever printed it is a total idiot. He should have thought about the consequences before he published it.
IMO, the muslims are NOT overracting; This is their BELIEF! their RELIGION! They even have a book about Muhammad's teachings, and its one of their three holiest books!
Yes, i do think it is unfair that they are killing innocents that have probably never heard of the newspaper, but insulting someone's religion is the worst thing you can do, basically.