The Centers for Medicare and Medicaid Services appear to be on to something with their promised new datasets. It's a leap for an agency whose previous offerings were a confusing mishmash of poorly-labeled files. If they continue to add granularity as they roll out more features, journalists could have a useful and innovative set of tools on their hands.

The “Dashboard” CMS intends to create, a demo of which is currently online, looks at Medicare spending on services. It's a good tool for quickly grasping the big picture; you can view data as a bubble chart, for example ...