"Railing against military incompetence and intelligence failures is no substitute for constructing a policy that recognizes the limitations of armed force and espionage. Though they lack the dramatic appeal of air raids and secret agents, diplomacy and law enforcement must be the cornerstones of any successful attempt to contain international terrorism."

When was this written?  Hint: Highlight the spacee underneath the line.

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1989

Source: Best Laid Plans: The Inside Story of America's War Against Terrorism (Martin and Walcott)