Marianne Williamson, the candidate: Marianne Williamson is not a politician. Her background is in comparative religion, writing, and speaking on spirituality. She is therefore, as of the time that I write this, the least likely candidate among the large-and-growing field of Democratic 2020 hopefuls. But she doesn't shy away from telling you why she thinks she deserves your vote. Her campaign website gives you the who, what, and why of her candidacy. From the "why"section: What we most need now is a political visionary -- someone with a deep understanding of where we have been and where we need to be going. While car mechanics are important, they aren't necessarily the ones who know how to drive you to where you want to go. It is unreasonable to expect the mindset that drove us into the ditch, to be able to pull us out of it. It's not enough now to just know what's happening inside Washington; we need someone who also knows what's happening in...