I recently spoke at Cornell about the public GMO discourse--who has shaped it and how some commonly held perceptions have taken hold in the media. In one talk, I discussed the importance of thought leaders, such as Michael Pollan and Vandana Shiva. Pollan and Shiva are cultural icons who speak to (and on behalf of) people who share their values. Pollan has the ear of those who care deeply about the production of food. Shiva has the ear of those who care deeply about the environment. Their respective audiences overlap and often coalesce around larger sustainability, corporate influence and social justice concerns. Influential voices in this virtuous space are invested with moral authority. It also helps to be anointed by the media as a thought leader, which elevates one's standing. The role thought leaders play in the GMO debate is something I'll expand on in a future post. The other talk I gave (similar to this one) explored the Frankenfood meme that is still well represented in popular media, as I pointed out in the previous post. There, the role of self-appointed public advocates has been essential to the popular framing of GMOs. As the Washington Post has just noted in an editorial: