Nikki Haley's Campaign Challenges in South Carolina

The Iowa caucuses are just a week away, and in this installment, the 538 Politics podcast sets its sights on the early states. Galen speaks with celebrated Iowa pollster Ann Selzer about likely caucusgoers' views of the candidates and how things could change in the final week of the campaign. Later in the show, Galen is joined by ABC News reporters Kendall Ross in Iowa, Kelsey Walsh in New Hampshire and Gabriella Abdul-Hakim in South Carolina. They share their insights from months of talking to voters and listening to candidates as they crisscrossed their states.

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