One of the most extraordinary social science phenomena of the postwar period has been the rise in violent crime in large American cities from the 1970s to the mid 1990s and the consequent rise in incarceration; and then its subsequent dramatic decline in most of those cities and the...

In terms of key criminal justice indices such as the rate of the most serious violent crime and the imprisonment rate, the United States not only performs worse than other advanced democracies, but does so to a startling degree. Moreover these differences have become more extreme over the last...