Why should they? The armed citizens of this country are the largest army on Earth.
I will say this ... Watch the movements of those holding power and should they all leave at one time (vacate the nation) then their day of destruction upon the citizens will be close at hand. Had prayed this cup of vinegar would not touch my Children's and Grandchildren's lips. Currently I see those odds at greater than 50/50 and the cup of vinegar is being pushed ever closer to the People.