Farmers in the Midwest have been working hard to overcome the effects of weather extremes that brought floods, then drought, then floods again, courtesy of changing jet stream patterns. If the drought returns, farmers may look to irrigation systems and crop insurance. "Mother Nature is always going to throw us that curve ball. As much as we think we have things cornered and we know what's going to be happening, you just don't know what will happen," said Brian Fuchs of the U.S. Drought Monitor.
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