A 37-year veteran teacher is accused of punching and throttling a 12-yea-old student. Scott Antwork, 58, teaches at PS 54 in Richmond Hill and Queens DA Richard Brown says Antwork "punched 12-year-old Edgar Lopez in the head with a closed fist, placed him in a choke hold and then grabbed the student's right arm and pushed him into a table." Two students say that Lopez first punched Antwork. The teacher has been "reassigned" and is......