It seems that one young woman did not like being criticized about her child rearing techniques on a Philadelphia bus. she called some friends and at one of the stops, the young men show up with a rifle and shoot up the bus. Here is the vide. If someone has already posted this, let me know...
http://www.myfoxny.com/dpp/news/video-gunmen-open-fire-at-bus-in-philadelphia-20110804
http://www.myfoxny.com/dpp/news/video-gunmen-open-fire-at-bus-in-philadelphia-20110804