So now the process of potentially pulling back at-risk spies, warning foreign collaborators, and taking other precautions based on the potential "burning" of all those sources has begun, and we'll likely know the results only long, long after it has been completed. If at all.

Donald Trump and his associates have, once again, potentially done long-term damage to U.S. national security. The Republican Party continues to back him even now that we are in a worst-case scenario, because of course they do—the party does not give a flying damn about national security, if harming it promotes their own interests.