Associated Press: Last year’s huge drought was a freak of nature that wasn’t caused by man-made global warming, a new federal science study finds. Scientists say the lack of moisture usually pushed up from the Gulf of Mexico was the main reason for the drought in the nation’s midsection. Thursday’s report by dozens of scientists from five different federal agencies looked into why forecasters didn’t see the drought coming. The researchers concluded that it was so unusual and unpredictable that it couldn’t have been…

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