I didn't think there was much more room for Democratic margins to drop in places like Tennessee and Alabama, but by God Hillary found a way. God, I fear for this country if whites voting 90% R and minorities voting 90% D starts spreading from outside the South (unlikely, I know).
That is only really true in Alabama, Mississippi, and non-Atlanta area Georgia. Maybe Louisiana too. Even in Arkansas, Democrats get close to 20% of the white vote. In Tennessee, it is more like 25 or 30%. For example, TN-1 is 96% white, suggesting that Republicans should be getting nearly 90% of the vote, which doesn't happen. If Tennessee whites started voting like Mississippi whites, Republicans would be able to clear 75% of the vote in the state with ease. Jim Cooper would be good as gone in a ~R+20 district that gave 2/3 of the vote to Trump. Steve Cohen would be fine in his majority-black district, though.
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