The Washington Post‘s surprise decision not to endorse a candidate for president for the first time in four decades has resulted in internal discord and the resignation of a senior editor at the traditionally Democratic newspaper, with many angry Posties pointing the finger at Jeff Bezos. What Happened: The decision, reportedly made by Bezos, the billionaire Amazon founder who owns the Post, has sparked a wave of discontent among the staff. An endorsement of Kamala Harris was reportedly ready to roll before publisher Will Lewis, hired by Bezos one year ago, pulled the plug. The paper’s editori…