CEDAR RAPIDS — With Linn County’s poll workers aging and facing increased technological demands and public scrutiny, elections officials are struggling to find enough people to staff the polls during elections.To secure the roughly 600 poll workers needed for the upcoming Nov. 6 general election — with more than 100,000 voters expected — Linn County has hired its first recruiter.Linn County Auditor Joel Miller said poll workers in the past often have been longtime volunteers or were recruited through word-of-mouth.“Really, our best recruiters are the people that are working, that’s where we’ve gotten a lot of referrals, but I think we’ve exhausted that ...