Twilight warriors: the soldiers, spies, and special agents who are revolutionizing the American way of war

"When U.S. troops withdrew from Afghanistan at the end of 2014, it signaled the end of the longest conflict in the nation's history. Yet we are still at war--no longer with other states, but with a host of new enemies, from nihilistic terrorists and narco-traffickers to transnational crimi...

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