Only problem with your logic is that in the precincts where Obama gets 400 votes and Romney ZERO! Were there really 400 legitimate voters there? Or are some fraudsters voting for dead or fictitious people via absentee ballot or early voting? With early voting a scamster can vote a few times if there is no photo ID requirement
Probably. These were between 50 to 70% turnout. The blacks in the country as a whole voted 4% Romney so these inner city blacks were probably 1%. That means out of the 400 there would be 4 Romney votes. The zero vote totals should not be surprising because of the hundreds of all black inner city precincts where the clan or gang is much higher priority than America.