Jeff Bezos, billionaire founder of Amazon and owner of The Washington Post, took a major shot at his own paper Monday evening. In a scorched earth op-ed for the Post, he explained the “hard truth” of why “Americans don’t trust the news media anymore” and laid a good deal of blame at the feet of his own paper. He starts off with an analogy: “Voting machines must meet two requirements. They must count the vote accurately, and people must believe they count the vote accurately. The second requirement is distinct from and just as important as the first. Likewise with newspapers. We must be accurat…