In this May 17, 2016, file photo, ballots are prepared for counting at Multnomah County election headquarters in Portland, Ore. Federal officials are working to bolster defenses on the state and even county levels against interference in the 2020 elections, running scenarios where things go awry in the run-up to the vote. In Oregon, officials from the U.S. Department of Homeland Security and the U.S. Cybersecurity and Infrastructure Security Agency carried out a tabletop exercise with county and state elections officials last week. (AP Photo/Don Ryan) **FILE**
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