Revealed: Sound of the ‘sonic attack’ on Americans in Cuba

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WASHINGTON — It sounds sort of like a mass of crickets. But not quite. A high-pitched whine, but from what? It seems to undulate, even writhe. Listen closely: Some hear multiple, distinct tones colliding in a nails-on-the-chalkboard effect. The Associated Press has obtained a recording of what some U.S. Embassy workers heard in Havana, part…