By Keith Lacey, Local Journalism Initiative Reporter, Penticton Herald Surrounded by her three adult sons, along with other family and friends, Shannon Stewart was sworn in as the newest — and only female — member of Penticton City Council during a brief ceremony Tuesday afternoon at City Hall. Stewart, a social worker, won the recent byelection, emerging at the top of a field of 12 candidates. She is best known locally as a longtime administrator of the Clean Streets Penticton Facebook page, which has more than 6,200 members. Stewart replaces Helena Konanz on council, following Konanz’s successful run for the Conservative Party of Canada in April’s federal election. Konanz and her husband were in the gallery during the ceremony. Stewart was officially sworn in by local Justice Lynett Jung, a…