Off Tonightonightonih News Today

The p.a. the stories of students barricading themselves inside. teachers barricading the doors with tables. some students climbing through a window running for their lives. others carried out on stretchers to the ambulances waiting outside. of course that sadly familiar story line. students taken to a nearby location, this time a super market to wait for their parents. abcs chief justice correspondent pierre thomas leading us off tonightonightonih >> reporter: today at yet another school, studen...