The amazing story of young Samantha Smith, a 10 year old girl from Maine, who, in 1983, wanted to know why the head of the USSR wanted to hurt America. So, she wrote him a letter pleading for peace. He responded, and then invited her to visit Moscow and tour the Soviet Union as his guest. She did, and became an inspiration for both countries to push for peace and end the Cold War. Take that, Greta.