You hit on a pretty difference between Christians and Muslims there: Jesus preached that killing anybody is bad, ever; Mohammed had no problem with the killing of infidels. That's not to say that there aren't killer Christians, or that there are no peaceful Muslims who don't want to kill anyone, including 'infidels'. But deep down at the core of the two religions, that is a not a trivial difference, or one that should be ignored.

I'm no Muslim-hater, incidentally. I lived in Turkey for over a year, and I really immersed myself in the culture, learned the language, slept with their women. More than half the time, if I was hanging around with anyone, they were Turkish and I was the only American around. I woke up each morning with the tolling of the bells to signify their morning prayer to Mecca (or whatever they are doing at that ungodly hour). I listened to the bleating of sheep the day before a Muslim holiday, and the total lack of bleating the next day which was replaced with the smells of now-cooking sheep. If the only Muslims you're around are the peaceful kind, which is how it was for me, they're really great people, or at least the Turks were (with a few exceptions, but there are bad folks in any population).

I don't know where these peaceful Muslims get turned into the bad kind, but I wish the rest of the Muslim world would look to Turkey as a role model, not Hezbullah. That's not to say Turkey is perfect, by any means; the country has plenty of flaws. But they don't seem to be exporting or funding or allying with any of the extremist Muslims, and they've generally been a pretty good ally to the west. And they're more or less a democracy even.