I wrote about Arrow's Impossibility Theorem for the @UpshotNYT:http://www.nytimes.com/2016/05/09/upshot/unusual-flavor-of-gop-primary-illustrates-a-famous-paradox.html …
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@JustinWolfers (You probably know this. But the world has read far too much into Arrow's Theorem, I think...)Thanks. Twitter will use this to make your timeline better. UndoUndo
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