The Harvard law professor Cass Sunstein is a prolific author with very wide-ranging interests. He has written (and in some cases co-authored) books on behavioral economics; on lies, rumors, and conspiracy theories; on republican theory and political conflict; on feminism; on free speech and dissent; on animal rights; even on Star Warsand Im leaving some out. In many of the fields in which Sunstein has written, I would hardly be qualified to judge his work. (Arent the Ewoks just really small Wookiees?) But his latest effort, How to Interpret the Constitution, is one that I can confidently say is very disappointing. This brief book has three primary characteristics: assertion, excessive repetition, and fallacious logic. Sunsteins argument is structured as follows. The Constitution does not itself tell us anything about how it is to be interpreted. Therefore, each of usbut judges especially, given their interpretive authority must choose a theory of interpretation. The guiding principle of that choice is to seek what would make the American constitutional order better rather than worse. This choosing, Sunstein maintains, grows out of a process of reasoning known as reflective equilibrium, a threadbare idea advanced by John Rawls a half century ago, which Sunstein insists several times is the only game in town. This in turn means that we check our tentative constitutional principles against their practical resultsthe latter being fixed points to which we are morally attachedand adjust our theory to our practice until it reliably yields a pattern of outcomes we can endorse (though not perhaps a result we will applaud in every single case).
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