“ Doubt is our product ,” wrote executives for tobacco giant Brown & Williamson in a now infamous 1969 memo on industry communications strategy. The memo was revealed during discovery in class-action lawsuits against tobacco companies that would eventually yield a trove of 85 million pages. Among those pages are details about the public relations playbook of an industry that — as far back as 1958 — knew that smoking caused cancer and used public relations to fight regulation for decades. “ Merchants of Doubt ,” a brilliant new film from documentarian Robert Kenner (of “Food Inc.” fame), reveals this spin and tracks how other industries, from chemical manufacturers to pharmaceuticals, are ripping pages from Big Tobacco’s playbook to fight their own regulation and public scrutiny. Based on the book of the same name by Naomi Oreskes and Erik Conway, the film reveals, in particular, Big Oil’s role in […]