This post originally appeared on the author's website. Last month, Brian Wansink, the Cornell University researcher and retraction king, retired. As David Randall wrote in the Wall Street Journal, "Over a 25-year career, Mr. Wansink developed an international reputation as an expert on eating behavior. He was the main popularizer of the notion that large portions lead inevitably to overeating. But Mr. Wansink resigned last week … after an investigative faculty committee found he had committed a litany of academic breaches.