Bus drivers are punched and spit on. What's being done to protect them?

Cincinnati bus driver Ron Bennett was just about to close the door when one last passenger climbed up the steps. It was shortly after 5:30 p.m. on June 26, and the man was holding a black trash bag.

“I got my fare,” he said, “but I got 175 pennies.

https://www.cincinnati.com/story/news/2018/08/20/bus-driver-assaults-cincinnati-metro-looks-increased-security/1018157002/