Your trying to make something a race issue that is not. It's not black people that were a problem, it was thugs. Many of the thugs were black yes, but some were white and Mexican, and who knows, there might have been a Asian in the mix too.
The problem is, in thug culture, basketball is often the perfered legal sporting activity. So, when the thugs get board, they go play basketball.
O yeah, and If the city of St.louis wanted to start charging admition to zoo, for people that live out of the city, I would not blaim them, the people of the city pay the taxes to keep the place open, if anyone should get in free, its them first.