Track the rise of liberalism, then the spike in the 90's when gun free zones came about, then a massive spike in 2010 after Obama came to power!!! 1960's: 17 school shootings 1970's: 24 school shootings 1980's: 35 school shootings 1990's and the birth of gun free school zones: 47 school shootings 2000's: 48 school shootings 2010's: Obama comes to power and rampant liberalism is instituted 118 school shootings to date!!! Liberalism and gun free zones are the cause of school shootings! NOT GUNS! When I went to school in the 60's and 70's we took 22 rifles with us so we could hunt after school!