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What happens during a caucus? Here's a look inside
The BBC's Carl Nasman visits one of more than 1,600 caucus sites in Iowa.
↗ https://www.bbc.co.uk/news/world-us-canada-67990099The BBC's Carl Nasman visits one of more than 1,600 caucus sites in Iowa.
↗ https://www.bbc.co.uk/news/world-us-canada-67990099