Public Debate and J.B. Rawls

Lawrence Solum has an interesting piece on Public Reason and J.B Rawls. He writes:

How should citizens in a modern pluralist democracy debate and discuss public affairs? What kinds of reasons are appropriate in the context of judicial opinions, legislative debate, or administrative decisionmaking? There is wide agreement that the government should not censor public debate about politics, at least not without very good reason. But when it comes to a related question of political morality - "To what ideal should citizens aspire in political debate?" - the issue is cloudy. For example, some have argued that religious reason should be excluded from public debate; others argue for the exclusion of statements which degrade people on the basis of their religion, race or ethnicity. Still others contend that in public debate, an ideal of political morality should mirror the freedom of expression: all viewpoints should contend in a marketplace of ideas. An ideal of public reason can provide guidance on these issues. This post provides a very short introduction to the idea of public reason--with a special emphasis on the role of that idea in the work of John Rawls.

Before we get into the background and complications, let's briefly state the core idea of John Rawls's idea of public reason--the version of the idea that has been most influential in legal theory. Rawls argued that public political debate about the constitutional essentials should be conducted on the basis of public reasons. His view was that public reason included common sense, the noncontroversial results of science, and public political values. Nonpublic reasons include the deep and controversial premises of particular moral and religious theories; for example, the utilitarian idea that only consequences count would be a nonpublic reason. Rawls thought that the Supreme Court's deliberations and opinions about the meaning of the United States Constitution exemplified the idea of public reason.

Read it all here.