There’s an NBC News investigation — “Obama Administration knew millions could not keep their health insurance” — going around the internet right now. It made Reuters; that’s how I knew about it. (I don’t watch a lot of tv news.) The NBC claim is a little misleading, but it points out a genuine and serious problem with Obamacare — one I happen to be having. The reason people can’t keep these plans is the coverage they offer is no longer legally …