Why I Am Resigning from the Socialist Party USA

Is there any genre of writing more tiresome than the leftist letter of resignation? The protagonist and narrator is always more sinned against than sinning, a paragon of good judgment mired in others' groupthink, and world-historical import of the decisive conflicts is inflated to a degree inversely proportional to the actual stakes of the disagreements. This will not be such a document. I almost decided not to write this, but since I did announce my decision to first join four years ago on t...