There has been a fair amount of talk recently about David Sabatini, an MIT scientist, whose mug is shown here. Hedge fund manager Bill Ackman is now financing his research. According to the local paper of MIT, the Boston Globe , Sabatini is "a biologist who once generated Nobel Prize buzz." Before going any further into the reason for the recent talk: what was the reason for the Nobel Prize buzz that preceded it "once"? It involved the study of rapamycin, a natural antibiotic found in the soil of Easter Island. In 2009, Sabatini received the Paul Marks Prize for Cancer Research for the study of rapamycin's anti-tumor effects. The more recent development? Two years ago the University investigated charges of sexual harrassment by Sabatini and he was placed on leave. The investigators concluded that Sabatini had violated its policies and it recommended his tenure be revoked. He said in essence "you can't fire me, I quit." Now (so says the Boston G...