WISCASSET, Maine — A 44-year-old Waldoboro man was sentenced Wednesday to 18 months in prison after he pleaded to lesser criminal charges in a case where a man said he was held against his will for a week, beaten and threatened with death. Russell W. Hardin pleaded guilty in Lincoln County Superior Court to trafficking in cocaine and no contest to felony theft and terrorizing. Charges of kidnapping, elevated aggravated assault, robbery and crimi…