The simple lesson the film Green Book taught us that many of us missed

Mahershala Ali as Don Shirley and Viggo Mortensen as “Tony Lip”

I was a middle schooler when I witnessed racism for the first time. I didn’t realize it at the time. I didn’t know what racism was. I didn’t know it was a thing.

I had seen Black people before and had competed against a Black boy in little league football, but I didn’t know any. There were a handful of them in school, but I…