(Clackamas County, OR)  --  Authorities say dozens of people were arrested as law-enforcement officers conducted a sweep of domestic-violence suspects across Clackamas County.  The sweep, which was spearheaded by the Clackamas County Sheriff's Office, included participation from police departments in Canby, Gladstone, Lake Oswego, Oregon City, West Linn, Wilsonville, Happy Valley, and Damascus.  Preliminary figures show warrants were executed against 24 domestic-violence suspects.