From 1980 to 2007, the number of prisoners held in the United States quadrupled to 2.3 million, with an additional 5 million on probation or parole. What Ayn Rand once called the “freest, noblest country in the history of the world” is now the most incarcerated,and the second-most incarcerated country in history, just barely edged out by Stalin’s Soviet Union.