Download or read book Why Societies Need Dissent written by Cass R. Sunstein and published by Harvard University Press. This book was released on 2005-04-30 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dissenters are often portrayed as selfish and disloyal, but Sunstein shows that those who reject pressures imposed by others perform valuable social functions, often at their own expense.