What follows is as wonky as I've ever gotten.I apologize in advance. But yesterday, I was working on an article comparing different roads to universal coverage, and looking particularly at the way they sell cost controls politically and implement them in the policy. Now, folks know that I think the single largest factor promoting cost control is integrating the system. So I dug into some of the various plans and tried to figure out how far they'd go towards bringing us under one roof. First, here's what private insurance system currently looks like: