Vandana Shiva has a take-no-prisoners smile. But watch out for her teeth. For the past two decades, the physicist turned environmental activist has focused her righteous indignation against Big Agriculture and what she calls its weapons of mass destruction (pesticides, patented seeds and other genetically modified, or GM, organisms) with all the fury of a prophet crying in the wilderness.
The trouble, for corporations like Monsanto, is that Shiva is winning more disciples all the time, and India as well as some countries in Latin America and Europe are paying attention, considering limits on the kinds of genetically modified food they...