Democratic presidential candidates are hoping to woo Iowa voters as the the state holds the first nominating contest of the 2020 election on Feb. 3.
Scenes from the 2020 Iowa Caucuses

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Supporters hold up placards as Democratic presidential candidate Massachusetts Senator Elizabeth Warren speaks at a town hall in Davenport, Iowa, on Feb. 1, 2020.

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Singer Bon Iver performs at a concert in support of Democratic presidential candidate Sen. Bernie Sanders in Clive, Iowa, Jan. 31, 2020. (K. Farabaugh/VOA)

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Democratic presidential candidate Sen. Elizabeth Warren poses with supporters at a Super Bowl party at the Iowa Events Center in Des Moines, Iowa, Feb. 2, 2020. (K. Farabaugh/VOA)

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Democratic presidential candidate Sen. Bernie Sanders speaks at an event at the Tavern Bar & Grill in West Des Moines, Iowa, Feb. 1, 2020. (K. Farabaugh/VOA)