Monstanto crops in South Africa have massively failed. There are people already starving in poor regions of South Africa and this is not going to help them much! Also some of the crops that survived didn't even produce seeds! Let's hope whatever "sterility gene" Monsanto has put in them doesn't spread to other species... including humans!
(Background articles: http://hpanwo.blogspot.com/2008/10/ian-crane-war-on-terra.html