Over at the Windsor Star, a Canadian newspaper, James C. Morton a lawyer, takes a look at the prison system as it is now, and provides a bit of history about prisons and how societies have viewed prisons over time.
Here are some select quotes
Using them [prisons] to reduce drug crimes seems especially wrong-headed. Prisoners often become addicted to narcotics while in prison. That sounds preposterous, but it's true. The place we send society's most dangerous elements for rehabilitation is full of illegal drugs.
What's more, many prisons are grossly overcrowded and under-resourced. Tiny cells designed for one inmate hold three, often for more than 12 hours a day.
You can read his whole article here: