Source: (1999) Sentencing & Corrections: Issues for the 21st Century (Research in Brief). No. 2 (September). Papers from the Executive Sessions on Sentencing and Corrections. Washington, DC: United States Department of Justice, Office of Justice Programs, National Institute of Justice.With sentencing and corrections policies in America in ferment, Tonry attempts to illuminate the competing conceptions of sentencing and corrections. He focuses on arguments for and against two major approaches: indeterminate sentencing, and structured sentencing. To support his analysis, Tonry also summarizes the basic history and salient characteristics of each approach.