IOWA CAUCUSESSee photos of Republican presidential candidate Nikki Haley at the Des Moines Register SoapboxLily SmithDes Moines RegisterGOP presidential candidate Nikki Haley speaks at the Des Moines Register Political Soapbox during day three of the Iowa State Fair on Saturday, August 12, 2023 in Des Moines.Lily Smith/The RegisterGOP presidential candidate Nikki Haley speaks at the Des Moines Register Political Soapbox during day three of the Iowa State Fair on Saturday, August 12, 2023 in Des Moines.Lily Smith/The RegisterGOP presidential candidate Nikki Haley speaks at the Des Moines Register Political Soapbox during day three of the Iowa State Fair on Saturday, August 12, 2023 in Des Moines.Lily Smith/The RegisterGOP presidential candidate Nikki Haley speaks at the Des Moines Register Political Soapbox during day three of the Iowa State Fair on Saturday, August 12, 2023 in Des Moines.Lily Smith/The RegisterGOP presidential candidate Nikki Haley speaks at the Des Moines Register Political Soapbox during day three of the Iowa State Fair on Saturday, August 12, 2023 in Des Moines.Lily Smith/The Register