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President Obama returned to the Hawkeye State in 2012, and held the final rally of his re-election campaign.

“Iowa, in 2008 your voice changed the world,” Obama said, urging Iowans to help him finish what they started.

Republican Party

On the other side of the aisle, Iowa Republicans are ill-fated by a rather poor track record of predicting the eventual party nominee.

The winner of the caucuses has gained the nomination twice in six contested races since 1980: Robert Dole in 1996 and George W. Bush in 2000.

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