They can be repelled with non-lethal means. A sonic weapon would bring them all to the ground, writhing in pain. Of course, if necessary, people would be shot. No rational person would disagree with using deadly force to stop an invading force at the White House.
It's still early. I have seen some say they are starting at noon or 1pm.
CBS This Morning: People are feeling…black right now. Getting your degree and not finding a job, you feel black.
-Didn't get name of who they were interviewing- not a protester, some guy in studio
Too many places to enter the city to be staking out. I-95 from north and south, I-270 from north, and maybe I-66 from the west..all end up at the 495 beltway [or 395 if coming up 95].