A deeply divided American electorate delivered a Congress so evenly split that partisan control remained unknown Wednesday morning — and may for some time — after Republican hopes for a major “red wave” dissipated.

Hours after polls closed, dozens of critical House and Senate races remained too close to call. It could be weeks before control of the Senate is settled if the Georgia contest between Sen. Raphael Warnock and Herschel Walker is forced into a runoff in December.

It’s a far cry from the decisive early victory Republicans expected to sweep them into power on Capitol Hill, based on recent polls and historical trends. The GOP in anticipation had already drawn up plans to investigate and potentially even impeach President Joe Biden.

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