http://gawker.com/why-broken-windows-policing-is-so-broken-1621008911
http://www.city-journal.org/2015/25_1_broken-windows-policing.html "Ivory Tower" researchers...
http://www.cnn.com/videos/tv/2015/01/27/exp-gps-harcourt-gladwell-broken-windows.cnn Discussion - Malcolm Gladwell said he over sold it.