Several states either have, or want to have, universal health insurance coverage. Now it seems D.C. wants to get in the act.Bad move.Residents who already have health coverage and are completely satisfied with it -- but who do not have the kinds of coverage that the legislation stipulates -- would have to change their plans when they come up for renewal. Catania's bill is silent on what that means, but if Massachusetts is any indication, it will end up costing people money. Apparently the...