We just released a new version of the Sources tool. This update (version 1.2.0) helps you assess the health of any particular source.
You can see we’re doing well in our coverage of the New York Times, but our coverage of the Washington Post isn’t quite as good. Our coverage of the Christian Science Monitor shows how they tend to take a week long break around Christmas each year 
If you find any problems please email us (mediameter [ at ] media.mit.edu) or file a new bug on our GitHub repository– thanks