In 2013, Politizane explained America's untenable and growing wealth gap in what would become an all-time classic of data visualization. Thirteen years on, they're back with a four-part update. It makes for grim viewing: the wealth gap has become runaway income inequality, with the world's first trillionaire in the mix, a fast-sinking middle class, and a tax system that offers elites a myriad of legal dodges.