The real science -
The BT in BT corn, cotton and soybeans stands for bacillus thuringiensis. http://www.ext.colostate.edu/pubs/insect/05556.html
Biology 101 - There is no cross-kingdom gene mergers in nature. Forcing genetic material from one kingdom into another hasn't been adequately tested with the exception of this independent study by Chinese geneticists - http://www.nature.com/cr/journal/v22/n1/full/cr2011158a.html
The American Medical Association recognizes the need for further testing on GMO's to ensure public safety - http://www.ama-assn.org/resources/doc/csaph/a12-csaph2-bioen...