The keystone is control over the narrative?
The door of all doors is the door to the truth.
Q is talking a lot in these posts about info, narrative, and who controls it.
Trump has opened the door to truth by exposing the MSM as propagandists.
Q is implying we have been fed lies.
The keystone, I think, is the control over the narrative. If you control what is "truth," you control everything.
Someone (CIA?) has been controlling the narrative secretly.
That is becoming dismantled.
What locks everything together?: a narrative.