Senate faces post-election limbo

The Hill: Senators are girding for the possibility that they may not know for days, or even weeks, which party will be in the majority next year.

Close contests combined with record numbers of mail-in ballots could delay results in Senate battlegrounds. Races in Arizona, Iowa, Maine and North Carolina are expected to be extremely close, meaning a delayed result in any of those states might leave lawmakers in a state of limbo as they wait to find out who will control the Senate starting in January.

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