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PLEASE HOLD FOR MARTHA IRVINE STORY: In this Wednesday, March 2, 2016 photo, Sam Alexander, Ben's father, uses his hand to assist Ben during a math language class at Tulane University in New Orleans. Ben Alexander, 22, has nonverbal autism, a condition that became apparent when he was 2 years old. He has found his voice through writing using what is known as “facilitated communication,” a method in which another person steadies the hand of the autistic person, so he or she can communicate through typing.  (AP Photo/Jonathan Bachman)