Interesting piece from Macleans on a former anti-GMO warrior. 

Q: You draw an interesting parallel between the denialism over global warming and denialism as it relates to GMOs. Both causes had been close to your heart. Did you reach a point where you had to choose between the two?

A: My overall effort has been to try to crash out an environmentalist perspective that is fully supported by evidence where there’s a scientific consensus. It’s interesting: the GM denialism seems to come from the left, and is particularly motivated by an anti-corporate world view; the climate-change denialism tends to come from the right and is motivated by suspicion of government.

Q: It strikes me that this is very much a story about the power of ideology—how it can blind people to the facts.

A: I agree, but you have to look at where the ideology is coming from, and why it’s so powerful and self-supporting. To my mind, anti-GM is a backward-looking, reactionary ideology, where you have a mythological, romanticized view of pre-industrialized agriculture being taken as the ideal. GM is seen as the opposite of that because it’s the epitome of technological and human progress in agriculture. So you have this collision of world views, where people who are fixated on doing things the old way simply cannot accept that you can even understand DNA, let alone work with it precisely and intentionally.