In a speech enlivened by an attack on a plastic water bottle and a game audience members were required to take part in, author and autism activist Rupert Isaacson dramatized the kinds of frustrations that are experienced by autistic children and their parents. Isaacson, who is the father of an autistic son, Rowan, told his Queens College audience he was upset because many of the professionals who are supposed to know about autism were unable to provide him with clear and concise information about the condition and how to deal with it. He asked the audience members to stand and come to the front of the room, where he divided…