Step 2: Race riots start. Martial law is soon declared for most of the US population. Economy grinds to a halt.
Step 3: Systematic disarming of the US with backscatter vans and drones begins. "We must temporarily abandon freedom to save freedom."
Step 4: 
Exactly. Jesse Jackazz has already called for federal forces, essentially martial law, to deal with the high black murder rate in Chicago, though of course he only boo-hoos about the black victims and ignored the fact that the perps are also black. And not a peep about the non-black victims of the mobs.