The heartwarming story that captured the world’s attention, as portrayed in the book and movie “The Blind Side,” has recently taken a dark turn. Michael Oher, the former NFL star who rose from a troubled past to football stardom, has come forward with allegations that cast a shadow over the narrative that once inspired many. In a court filing, Oher claims that the Tuohy family, who took him in as a teenager, misled him into believing he was being adopted when, in reality, he was placed in a conservatorship. A…