Polls will once again open all across North Carolina on Tuesday, May 14. But with mostly down-ballot races on the ballot, will Republican primaries be decided by a tiny number of voters? Political scientist Chris Cooper of Western Carolina University shares some turnout trends and other dynamics for North Carolina’s rare runoff primaries with WUNC's Colin Campbell. And we hear from the two Republican candidates for state auditor, Jack Clark and Dave Boliek, who offer contrasting backgrounds and visions for an important state government watchdog role.Sign up for WUNC's new Politics Newsletter here.