A 19-year-old male is in your office for evaluation of profound anxiety. He is in his first year of college and last week there was an active shooter on campus. Three people were killed. Although he didn’t know any of them, it was in the building where he has one of his classes and he is having severe anxiety and nightmares. He gets profoundly distressed when discussing this with anyone, he feels detached from his friends and even his family, is having trouble sleeping, and finds himself gett...