Author Topic: decline in violence  (Read 217 times)

Time Dog

  • Padawan Learner
  • Posts: 6
decline in violence
« on: December 07, 2009, 01:14:43 PM »
this is a 20 presentation by some guy i never herd of about the history of violence and its sudden decline in recent history. a friend of mine referenced it to me and i thought it was really interesting so i hope you enjoy.