How Steve preps: "I'm in my office right now. I am staring at a notecard that's got the — what am I looking at here? — I've got Illinois: I've got the different potentially competitive districts in Illinois. I've got the component counties. I've got the share of each county that's part of the district. I've got the share of the district the county accounts for. I've got the 2016 Trump and Clinton numbers, and I've got a very rough turnout estimate for each."
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