A new Public Policy Polling survey in Iowa finds Joni Ernst (R) leading the Republican U.S. Senate primary field with 34%, followed by Mark Jacobs (R) at 18%, Sam Clovis (R) at 14% and Mark Whitaker (R) at 6%.
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Taegan Goddard
Taegan Goddard is the founder of Political Wire -- which for more than two decades has been one of the nation's most influential political news sites.
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