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
Nudge (book) people having the desire to save more, yet procrastinating on actually doing so. This program would invite "participants to commit themselves, in advance, to a series of contribution increases timed to coincide with pay raises". The book contains an analysis of the Bush administration program Medicare Part D. Thaler and Sunstein state that "on some dimensions, Bush was on the right track" with the plan, but that, "as a piece of choice architecture...it suffered from a cumbersome design that impeded good decision making". Specifically, they think that default choices for programs should not have been random and that beneficiaries of