The cities in contention are Milwaukee, Nashville, Pittsburgh and Salt Lake City, according to a person familiar with the search process. Party officials are planning to visit each of the locations over the coming months before finalizing a decision in the spring.

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Pittsburgh and Milwaukee — which Democrats picked as their 2020 host city after losing Wisconsin for the first time in decades in the previous election — are in two of the country’s closest battleground states, Pennsylvania and Wisconsin, while Nashville and Salt Lake City are in solid-red states Tennessee and Utah. But that hardly rules out the latter two finalists.