After reading the thread by OverdueSpy "Prison guards forbidden to wear protective gear" I took a quick google on the one of the central issuses that being the right of people serving prison terms to vote. I found an interesting article about the debate that is going on in England about this.
prison right to vote

I was suprised to find that in Ireland they had the right.
The second article i found deals with the right tovote in the United States. As I am not American and dont know much about the vote system i will leave it to any Americans out there to confirm or deny the piece.
Allowed to vote in the states