Also with it being an international crowd there is a good chance that there will be American lives lost also.
Skinny is right that you have to make them surrender like the japs and Germans. But, the Jihadist are so insane their endgame is the apocalypse. We sure as heck don't have the moral authority to kill 1.5 billion Islamic people so calling for all death to Islam is simply wrong, but the Islamic murderers that hurt innocent life should be exterminated from earth period.