ClimateWire: In September 2014, a group of leading plant and agricultural researchers sat down at Washington University in St. Louis to discuss a looming question -- how will agriculture in the Midwest be affected by climate change? This wasn't just an academic exercise. Midwestern farmers grow the majority of the country's corn and soybeans, and scientists had predicted that yields could take a substantial hit from changing weather patterns, with potential impacts on food prices and farmers' earnings. Even...