Here’s what I mostly learned from my post on the EpiPen controversy and what it said about greed in health care: civil discourse is an endangered species, hovering on the edge of extinction. And it’s not just on the right. Left wing bigotry is alive and well. And dangerous. Facts are an endangered species As of last night the Facebook share on the EpiPen post reached over 19.5k people and got 319 reactions, 77 comments with a ton of replies, and 204 shares. Hardly a viral explosion, but bigger…