Since word first broke that the NCAA was investigating, amongst others, North Carolina and Marvin Austin became the central figure in a scandal that could ultimately put several players on the sidelines to start the season or longer the Tar Heels defensive tackle has said nothing public about the situation. That changed Sunday night via the same avenue that that started this mess in the first place a social media website. In a posting on what’s believed to be his personal Facebook account, Austin questioned coming back for his senior season given the situation he now finds himself in. “I came back to school to have my character questioned..[expletive]..i thought education was key.. I dont really understand…i though it was the right thing to do..maybe i was mistaken, “Austin wrote. “i like to say thanx to all those who stand by me i really