With the rising chance of a Trump presidency, there is also a very outside chance of a three-week Democratic majority. How would that come about? On the off-chance that the Democrats can take 50 Senate seats while Trump wins the presidency, the new Congress will be sworn in on Jan. 3. The new president doesn’t take office until Jan. 20, giving the sitting vice president — Democrat Joe Biden — three weeks to cast the tie-breaking Senate vote.
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