MOSCOW (AP) -- Tons of chemicals used for the production of plastics have leaked off the coast of a Russian island in the Bering Sea, local media reported Tuesday. A 20-metric-ton container of chemicals owned by Dupont washed up on Bering Island in late July. The container was one of three such containers that Dupont lost at sea in March, Interfax reported. In recent days the container of tetraethylene glycol has begun to leak. Interfax said the container was cracked when a powerful storm hurled it onto some rocks. However, Itar-Tass quoted marine inspection spokesman Sergei Donigevich as saying the...