Emphasis on school security may detract from education

The Connecticut school shooting has schools across the country looking at the possibility of tighening security, as many did after the school shooting at Columbine High School in Littleton, Colorado in 1999.  But some, like New York University Professor Pedro Noguera, say tight security can be detrimental to students. NewsWorks Tonight Host Dave Heller spoke with Noguera about the unintended consequences of enhanced school security.