The Constitution of Knowledge,” by Jonathan Rauch in National Affairs:  “America has faced many challenges to its political culture, but this is the first time we have seen a national-level epistemic attack: a systematic attack, emanating from the very highest reaches of power, on our collective ability to distinguish truth from falsehood. “These are truly uncharted waters for the country,” wrote Michael Hayden, former CIA director, in the Washington Post in April. “We have in the past argued over the values to be applied to objective reality, or occasionally over what constituted objective reality, but never the existence or relevance of objective reality itself.” To make the point another way: Trump and his troll armies seek to undermine the constitution of knowledge…”