`` Dirty tricks '' seem to bubble up in Iowa politics more frequently than elsewhere . But it 's been 2010 since such tactics have derailed a statewide candidacy . Nikki Haley . S.C. Gov was subjected to unproven adultery claims during her more than a decade campaign . McCain 's won the primary and went on to capture the Republican nomination . New generation of political operatives not using ploys of the past .
`` Dirty tricks '' seem to bubble up in Iowa politics more frequently than elsewhere . But it 's been 2010 since such tactics have derailed a statewide candidacy . Nikki Haley . S.C. Gov was subjected to unproven adultery claims during her more than a decade campaign . New generation of political operatives not using ploys of the past .