Terry Kupers

But laws that regulate solitary confinement aren't always enforced, and prison authorities have created loopholes.

Yet solitary confinement does immense damage that is contrary to rehabilitation, while failing to reduce prison violence.

Meanwhile, other countries have centered more humane approaches.

Norway, for example, imprisons far fewer people per capita than the U.S., while spending five times more per prisoner on accommodations, classes, and work-release programs.

Norway also sees far fewer people return to prison after release, with one of the world's lowest rates of recidivism, indicating we tend to get better together.