Overview:It's the first day back at Benjamin Harrison, the first day there period for smart alec transfer student Snyder. Joe tries to break up a fight between two black students -- one of whom has a gun -- and winds up shot. Mary Caitlin, who got splattered with Joe's blood, feels guilty because she was too afraid to ride in the ambulance with everybody else, but Matthew comforts her by saying Joe's alright. Gus blows up at Mrs. Biederman, and accuses her of being a racist after she bitches about the shooter, Bobby Devlin. Students and faculty alike discuss how Bobby threw his scholarship to Princeton away. One of Sara's students convinces her to have her class write papers about how the shooting affected them personally. Mary Caitlin confesses to Matthew that she wants him. Jack gets cranky when the school board assigns Mrs. Molina, rather than him, to run things while Joe is recovering. Even though he never taught Bobby, Gus visits him in juvenile detention. Bobby confesses that he didn't me