Insurrection
Here's the scenario:
A GOP President is elected, but he involves the nation in a divisive war, and his popularity wanes. In the war, his generals vastly understate the need for troops, and the war starts going badly. Back home, an underclass fed by bad immigration policies swells and becomes discontented in the cities. The Democratic Party plays up to this underclass, promising them much support which Congress is reluctant to deliver. Racial hatred between the elements of the underclass fans the flames of discontent.
Then the President caves in to his own party and introduces a vastly unpopular law that affects the underclass. Riots break out. Badly outnumbered police are forced to call on armed citizens to help maintain order, but they are unable to hold their lines. Burning and looting follows the radical political protests and whole sections of the city under seige are controlled by the rioters. The underclass mobs range throughout the city and drag wealthy citizens from their expensive homes and beat them to death. The liberal Democratic Mayor tries to buy off the rioters by promising them each a sum of money if they'll return to their homes, but the rioters ignore their political friend and continue to loot and burn and kill. The President tries to declare martial law, but there aren't sufficient troops or National Guardsmen so the city is held hostage by the rioters for several days. A strong enough detachment of troops is finally raised, and they sweep the streets clear of the rioters. The fearful city builds many fortifications with mass-casualty weapons installed to protect itself in the future. Casualties are announced at just over a hundred killed, but the actual numbers probably run to several thousand.
Is this the Democratic Doomsday scenario I postulated in the previous post?
No.
Is there a parallel between this scenario and our immediate future?
Maybe.