A report linking the uptick in microcephaly cases in Brazil to a pesticide -- not Zika -- went viral this weekend. Turns out, it's scientifically baseless. Bob talks with Anna Almendrala, who debunked the story in the Huffington Post, about the interest group behind the report, how Monsanto got thrown into the mix, and why the story is ripe for belief despite clear red flags. 

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