ποταμοῖσι τοῖσιν αὐτοῖσιν ἐμβαίνουσιν ἕτερα καὶ ἕτερα ὕδατα ἐπιρρεῖ Heraclitus Today when we hear the word “diversity”, our minds may well go towards the oft-discussed issue of political controversy.  Without entering into that controversy itself, allow me to use it, nevertheless, to establish the topic for this week’s Philosophical Happy Hour.  That is, underlying the…

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