If they have to go to that just build a Presidential palace somewhere else for O to live with a brigade of soldiers guarding it. Call it the Green Zone East.
Behind the scenes in the underground tunnels of the U.S. Capitol!
https://www.youtube.com/watch?v=U-t37HYTNro
Civilwarcat Goes To Washington DC Underground Mall & Mall At Pentagon City Part 11
https://www.youtube.com/watch?v=7U-wIIIb8gw
Elite Underground Tunnels and City Completely Stocked March 2013
https://www.youtube.com/watch?v=p5UZNH1kx20