Election Day may not decide which party wins the Senate majority. Why?
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1. Possible runoffs in Louisiana and Georgia. Alaska’s tradition of delayed vote counts also could postpone the official results.
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2. Republicans need to gain six seats to control the Senate. They could pick up five on Nov. 4, only to await a decisive Louisiana runoff Dec. 6. Even if they won that seat, a Jan. 6 runoff in Georgia possibly could return Republicans to the minority.