Philadelphia - mellow cops - mellow crowds

https://slate.com/culture/2018/02/that-was-some-very-good-policing-in-philadelphia-after-the-super-bowl.html

https://web.archive.org/web/20180206141816/https://slate.com/culture/2018/02/that-was-some-very-good-policing-in-philadelphia-after-the-super-bowl.html