Barry Burden explains in Vox that poll workers must carefully count and tally all the votes after the polls close, ensuring accuracy before delivering or reporting them to another elected official or the county clerk. He also talks about how ballots in the U.S. are much longer in comparison to ballots in other countries, adding to the time it takes to tally up and verify all the votes cast.
Barry Burden is expert in elections, election administration, and voting behavior. He is available for interviews.
Read the full article at: https://www.vox.com/2018/5/8/17320758/primary-election-night-results-ohio-west-virginia-indiana-north-carolina