The huge riots in a West Texas prison are a direct response from prisoners to poor medical care, this is not surprising as poor medical care in prison is a nation wide epidemic. People are dying in their cells from treatable ailments, communicable disease spreads like wildfire, mental illness created and exasperated by typical prison conditions. It's obscene people. I hope this action brings those folks some relief, already the local media is talking about prison medical care...
Overview of the Prison Health Crisis
Texas Prisons and Health Care
Health care crisis and women prisoners
AIDS crisis in prison
The prison riot has long been a tactical response to the severe oppression felt by the incarcerated, if you are not up on your history, please read about the Attica rebellion (wiki synopsis, and deeper, and video of Attica prisoners telling their story), it's an amazing and tragic piece of people's history, know it, spread it!