The fake persuadersDetective work ... shows how a PR firm contracted to the biotech company Monsanto appears to have played a crucial but invisible role in shaping scientific discourse. ...An article on its website...warns "there are some campaigns where it would be undesirable or even disastrous to let the audience know that your organisation is directly involved... it is possible to make postings to these outlets that present your position as an uninvolved third party..." ...So the campaign against the researchers was extraordinarily successful; but who precisely started it? Who are "Mary Murphy" and "Andura Smetacek"? The Bivings Group...