Transcript: A Monsanto Exec Takes On the GMO Debate
ant Specialist Dustin McMahon hand pollinates genetically modified corn plants inside greenhouses housed on the roof of Monsanto agribusiness headquarters in St Louis, Missouri, 21 May 2009.
( Brent Stirton / Getty )
( Brent Stirton / Getty )
Produced by Jillian Weinberger
