The Thing Embassy Incident: How Russian children and the KGB trolled America for years

<p>FOR SEVEN YEARS, SOVIET AGENTS SPIED ON THE AMERICAN EMBASSY UNDETECTED  </p> <p>In 1945, Soviet children presented the ambassador with a gift to commemorate the friendship of the US and the Soviet Union. A hand-carved wooden replica of the Great Seal of the United States.  </p> <p>The ambassador was so pleased with the carving that he hung it in his office at the official ambassador residence in Moscow: the Spaso house. </p> <p>But the wooden carving was more than just a decoration.  </p> <p>Now hanging on the wall, just behind the ambassador's desk was a state of t...