Government regulators have approved a new generation of genetically engineered corn and soybeans. They're the latest weapon in an arms race between farmers and weeds, and the government's green light is provoking angry opposition from environmentalists.

Image: "Soul Sailing" by Missy Rogers
Missy Rogers

Aired Sunday, July 28th, 2013

In the Celtic calendar, Lughnasadh (August 1st) marks the sacrifice of the Corn God and the beginning of the harvest.