Most able-bodied people don’t know what to say to 23-year-old Vera (Lucia Zemene) in the months following a traffic collision that left her without a leg, but one empty platitude really stands out: A friend suggests that maybe it happened for a reason. Haunted by this thought, she eventually asks a fellow young wheelchair user if he agrees, and he does. “The reason,” he says, “is that a truck crashed into you.” That reply captures the refreshingly direct, no-bullshit tone of Mari Sanders ‘ “