@WSJ this is interesting in light of @EconTalker's podcast this week. Very interesting chat in there on potatoes. http://feedproxy.google.com/~r/econtalk/xmOW/~3/CPBJQDbnIAw/rachel_laudan_o.html?utm_source=feedburner&utm_medium=email …
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@WSJ book 1493 wrote of the introduction of the potato into China. Surprisingly interesting given that it is about a root. Major impactThanks. Twitter will use this to make your timeline better. UndoUndo
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