Again and again the Muslim nutters say what they mean, openly, and we shrug and pretend they don't mean it. Hitler wrote, "Mein Kampf" and people ignored what he said in it, even though he fairly directly indicated what he intended to do. What idiot would think to engage in diplomacy with these thugs.
Two words: Targeted Assassinations - and as many of them as necessary.
You're right. History repeats itself...