I'm going to head this off right now: This was between the pilots of the American Airlines flight and the Blackhawk, and the ATC at Reagan. Short of the controllers being literally understaffed, which I assume is not the case, the focus of this investigation should be what the sincere hell happened in the air there.

This was a wholly preventable incident, hell this should have not happened period. Something likely very basic and fundamental failed catastrophically, and we need to figure out what and why. Bringing politics into this at this stage is unnecessary and deleterious noise unless findings implicating politics come to light.