How America Can Cut the U.S. Prison Population in Half Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email In this Nov. 14, 2009 file photo, an inmate stands at his cell door at the maximum security facility at the Arizona State Prison in Florence, Ariz. ( Matt York / Associated Press ) Produced by Dana Roberson Produced by PRI and WNYC