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By Associated Press U.S. Ambassador to Japan Caroline Kennedy got a firsthand look inside the Japanese nuclear plant devastated by the 2011 earthquake and tsunami today, as she vowed to help support the clean up. Kennedy toured the Fukushima Dai-ichi plant for about three hours on Wednesday with her son Jack Schlossberg by her side. She wore a yellow helmet and a white radiation protective suit with her last name emblazoned on it as she was shown around the plant. Scroll down for video US Ambassador to Japan Caroline Kennedy (center) and her son Jack Kennedy Schlossberg (right) visit the central control room for Fukushima on Wednesday

Kennedy (pictured) has pledged U.S. support for the clean up at the