New York Times: The drought that has settled over more than half of the continental United States this summer is the most widespread in more than half a century. And it is likely to grow worse. The latest outlook released by the National Weather Service on Thursday forecasts increasingly dry conditions over much of the nation’s breadbasket, a development that could lead to higher food prices and shipping costs as well as reduced revenues in areas that count on summer tourism. About the only relief in sight was…

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