In 1990, Joe Biden sponsored a bill to make all schools in the US 'gun free zones'. In less than 10 years, school shootings became commonplace. Before this bill passed, school shootings were unheard of. Now, they happen all too frequently.
Thanks Joe. All the innocent school kids that have been gunned down thanks to this shitty law thank you.
https://en.wikipedia.org/wiki/Gun-Free_School_Zones_Act_of_1990