The Hill -- Election day is just one week away. Polling data suggest a close race for control of the House and the Senate. RealClearPolitics and FiveThirtyEight, two well-followed websites that use polling data to forecast the outcome of the election are in agreement, though their specifics are not completely consistent. Yet, as was seen in the 2016 Presidential election, polls can be wrong, writes Illinois CS professor Sheldon Jacobson.
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