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InDecember1776,BenjaminFranklinisworldfamousforhiselectricalexperiments.ButhispaInDecember1776,BenjaminFranklinisworldfamousforhiselectricalexperiments.ButhispassionandpowerareputtothetestwhenheembarksonasecretmissiontoFrance—withthefateofAmericanindependencehanginginthebalance.……详情