This Weed Killer Is Wreaking Havoc on America's Crops -- Mother Jones

When farmer Darvin Bentlage surveyed his southwestern Missouri soybean fields in August, he knew something was amiss in one of them. "I've been looking at soybeans for about 60 years, and these didn't look right," he says. ...
http://www.motherjones.com/environment/2018/01/dicamba-monsanto-herbicide-neighbor-farms-soybeans/