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
Thaler (modern: ) is German for "valley", and a "thaler" is a person or a thing "from the valley". The Czech spelling was ; many varieties of the term are used in different languages. In the 1902 spelling reform, the German spelling was changed from "Thal" and "Thaler" to "Tal" and "Taler", which however did not affect the English spelling of "thaler". The later Dutch also carried the picture of a lion, which gave them the name ("lion thaler"). From an abbreviation of "leeuwendaalder" come the names of three present-day Balkan currencies, the Romanian and Moldovan Leu and the Bulgarian Lev.