California could be forced to wait for results thanks to slow vote-counting system

Experts say deluge of last-minute absentee ballots and notoriously slow system could delay results in tightest races

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California's primary elections, including its fiercely fought gubernatorial contest, will be at the mercy of a notoriously slow vote-counting system after the polls close on Tuesday, and it could be days or even weeks before the outcomes of the tightest races become clear.

Voting experts expect the state's 58 county elections offices to be deluged with last-minute absentee ballots, as they have been in the last few election cycles, and spend weeks undertaking a painstaking ballot-by-ballot verification process.