ms they all stand for." Donohue, Boulouta: Assault Weapon Ban Was Effective In Preventing Mass Shootings. In an op-ed for the New York Times (9/4, Donohue, Boulouta, 18.61M), John Donohue, a law professor at Stanford, and Theodora Boulouta, a senior at Stanford, write that their research shows a federal ban on a