Tumbledown Farm .9 Acres (give or take an acre or two)

In "A Conversation With Nina V. Fedoroff: An Advocate for Science Diplomacy," a New York Times interview by Claudia Dreifus (August 18, 2008) we find the following exchange. Can you spot the non sequitur? Are you able to find the presumption that supports the fallacy?

"Q. WHY DO YOU THINK THERE IS SUCH FIERCE OPPOSITION TO GENETICALLY MODIFIED FOODS?