Activist Medea Benjamin, of Code Pink, is led away by security as she protests during a statement by National Rifle Association executive vice president Wayne LaPierre, left, during a news conference in response to the Connecticut school shooting on Friday, Dec. 21, 2012 in Washington.  The nation's largest gun-rights lobby is calling for armed police officers to be posted in every American school to stop the next killer "waiting in the wings."   (AP Photo/ Evan Vucci)
Activist Medea Benjamin, of Code Pink, is led away by security as she protests during a statement by National Rifle Association executive vice president Wayne LaPierre, left, during a news conference in response to the Connecticut school shooting on Friday, Dec. 21, 2012 in Washington. The nation's largest gun-rights lobby is calling for armed police officers to be posted in every American school to stop the next killer "waiting in the wings." (AP Photo/ Evan Vucci) ASSOCIATED PRESS
Activist Medea Benjamin, of Code Pink, is led away by security as she protests during a statement by National Rifle Association executive vice president Wayne LaPierre, left, during a news conference in response to the Connecticut school shooting on Friday, Dec. 21, 2012 in Washington. The nation's largest gun-rights lobby is calling for armed police officers to be posted in every American school to stop the next killer "waiting in the wings." (AP Photo/ Evan Vucci) ASSOCIATED PRESS

Ky. education commissioner: 'No armed guard could have prevented Newtown incident'

December 21, 2012 2:05 PM