NEW =ORK TIMES By MICHAEL BEHAR May 23, 2014 EFTA_R1_01765565 EFTA02585830 One morning =n May 1998, Kevin Tracey converted a room in his lab at the Feinstein Institute for Medical Research in Manhasset, N.Y., into a =akeshift operating theater and then prepped his patient — a rat — =or surgery. A neurosurgeon, and also Feinstein Insti