Not that much a joke actually. According to University of Alabama criminologist Adam Lankford[1] the causes include fame: factors include a chronic and wi

Not that much a joke actually. According to University of Alabama criminologist Adam Lankford[1] the causes include fame: factors include a chronic and widespread gap between Americans' expectations for themselves and their actual achievement, Americans' adulation of fame, and the extent of gun ownership in the United States. [1] http://www.latimes.com/science/sciencenow/la-sci-sn-united-states-mass-shooting-20150824-story.html http://www.latimes.com/science/sciencenow/la-sci-sn-united-s...