Unapproved, unwanted, and now out of control: the news that an unlicensed genetically modified (GM) wheat has been found growing on a field in Oregon – almost 10 years after it was supposed to have completely destroyed – sent shivers down my spine. I've been blogging about the known and unknown risks of GM crops for a while. But we are now witnessing a real ‘escape-from-the-laboratory’ nightmare and, in a worst-case scenario, the impacts on U.S. agriculture could be truly devastating.