I've carried concealed for years.....never open..unless hunting in the woods.
Been pulled over for ticky tack things..never asked if I had a weapon in the truck. And I did...but never asked.
There was no reciprocity with DC when I was stationed there. Trying to defend the wall with an unauthorized firearm is stoooopid as you will just end up in jail watching the rioters destroy the wall on TV. That doesn’t help anyone, especially yourself. Only carry concealed if you can and will use it to save your own life...not a wall.