In Why Societies Need Dissent, Cass R. Sunstein illustrates the powers and dangers of dissent through a clear and concise exposition of three basic phenomena: conformity, social cascades, and group polarization. His epistemological view of conformity shows how we tend to learn less first-hand than from what others think and believe. Social cascades occur when a meme, carried by early-adopters, reaches its tipping point. Group polarization shows how extreme views become more extreme in group deliberations.

Ondi Timoner’s Dig! is the story of a musical revolution, which may or may not have happened, depending on your perspective. The Brian Jonestown Massacre and The Dandy Worhols were friends before either had any modicum of fame, and they were determined to change the world — or at least the world of music. They took separate paths toward this change, and the onset of two types of fame turned them into rivals of the oddest sort.