Josh Marshall on the Gaza Hospital blast. Like him, I have zero expertise on these issues so I have to try to find credible sources to inform me. I have been seeing the same thing: I have no ability to evaluate grainy videos or make sense of what different blast patterns look like. But I’ve spent several years developing lists of open source intelligence and forensics analysts who are consistently credible. You’ve seen some of this in the various Twitter lists I sometimes post here. Credible doesn’t mean always right, of course. By credible in this case I mean analysts who are highly knowledgeable in one relevant domain, use an empirical framework for analyzing videos, open source data, etc., and have a proven track record of the appropriate level of caution and skepticism in drawing conclusions. Many of these people come out of the Bellingcat world, others got started (at least publicly) analyzing the Syrian and Ukraine conflicts. It’s actually remarkable what people not drawing on any state or property “intelligence” can demonstrate with overlapping provenance-proven video evidence, geolocation, satellite photography, open source weapons information, tracking data and more. I watched this group very closely overnight (even at the expense of not getting much sleep) as more videos and data emerged about the hospital blast in Gaza and from what I can tell none of these people think the evidence points to an Israeli bomb as the source of the blast. They’re not all saying it’s open and shut. In…