You're reading: Foreign Policy: License to kill

How does a young British rapper end up beheading innocent journalists in two of the most gruesome videos in recent memory? Why would troubled kids from Minnesota travel to the other side of the world to die in the service of jihad? And how does a leading Russian intellectual publicly call for "genocide" against Ukrainians, while a star Moscow TV commentator proudly reminds his compatriots that their country has the power to "turn the United States into radioactive dust"?

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