I just ran across this interesting article by Katherine Mintz in the Journal of Environmental Studies and Sciences (ungated version here) Here's a portion of the abstract:
“To understand this divergence in opinion related to GMOs, I analyzed 200 headlines and articles from the Los Angeles Times, New York Times, Wall Street Journal, and Washington Post published between 2011 and 2013. I focused on the key arguments and who is making them. The results showed that newspapers presented 207 favorable and 250 unfavorable mentions of GMOs. The findings revealed the arguments “GMO technical performance” and “potential for environmental harm,” along with actors described as the “biotechnology industry” and “U.S. government,” received more media attention, measured by the frequency of mentions in articles.”
Interestingly, of all the groups mentioned in media stories, the one that received the least attention was the actual people paying to use the technology: farmers.