"To which Sandoval arrogantly quipped: “Welcome to San Francisco.”
The SF nut is telling it as it is.
Wall off SF and make it a defense free zone. With enough preparation, we can use it for bait for all sorts of enemies. SF could become the Roach Motel for enemies - they move in, but never move out.
All we would be placing at risk would be people like Sandoval.
Well, not quite.
If some invader smoked SF and annhilated Sand Oval and the people that elected him, the rest of us would still have to saddle up and drive the invader back to where he came from.
We couldn't have him coming any farther inland.
We lost the use of part of a small island near Puerto Rico
for naval...marine training.
We could use SF for naval landing practice.