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
Cass Sunstein would no longer appear in any laws, and marriage licenses would no longer be offered or recognized by any level of government," argues Sunstein. He continues, "the only legal status states would confer on couples would be a civil union, which would be a domestic partnership agreement between any two people." He goes on further, "Governments would not be asked to endorse any particular relationships by conferring on them the term marriage," and refers to state-recognized marriage as an "official license scheme." Sunstein addressed the Senate on 11 July 1996 advising against the Defense of Marriage Act. Sunstein co-authored a