Cass Sunstein "Radicals in Robes: Why Extreme Right-Wing Courts Are Wrong for America" (2005), "Are Judges Political? An Empirical Analysis of the Federal Judiciary" (2005), "Infotopia: How Many Minds Produce Knowledge" (2006), and, co-authored with Richard Thaler, "Nudge: Improving Decisions about Health, Wealth, and Happiness" (2008). Sunstein's 2006 book, "Infotopia: How Many Minds Produce Knowledge", explores methods for aggregating information; it contains discussions of prediction markets, open-source software, and wikis. Sunstein's 2004 book, "The Second Bill of Rights: FDR's Unfinished Revolution and Why We Need It More than Ever", advocates the Second Bill of Rights proposed by Franklin D. Roosevelt. Among these
It Was Written not ready for the more prophetic themes of "Nastradamus", as it only sold 232,000 copies by its first week (less than half of "I Am…"s first-week figures). By 2001, "Illmatic" and "It Was Written" were both selling at a rate of over 3,000 copies a week, while "Nastradamus" was earning an average of little more than 2,000 copies a week, despite its relative newness. Both "I Am…" and "Nastradamus" received further criticism for their commercially oriented sound. Reflecting this widespread perception in the hip hop community and adding to his ongoing feud with Jay-Z at the time, Jay-Z mocked him