they may have been sabotaged, adding that "There's no reason seeds should survive in the soil for the last couple of years."

Colbert asked her if she thought GMOs were dangerous, and Garrett said that there was "probably" no threat to human health, leaving the question of what impact genetically modified foods could have on environmental health unanswered.

Part one is above, and part two, below, features the discussion with Laurie Garrett.