Kill them all.
Even Pope Francis is coming around to the idea that we need to bomb them into the Stone Age.
Won't they be surprised when they discover that their "virgins" all look like Yasir Arafat!
I think the comment by the actor President in Independence Day after learning what the aliens intended is appropriate here: Nuke the bastards.
Normally “kill them all” would be an abhorrent thing to say but when you are dealing with people whose life mission is to kill everyone else not like them then you have NO CHOICE
It’s them or you.
And let God sort them out.
...and let God sort them out.