461 N.W.2d 822 Donald DUNCAN, Mona J. Duncan, Trevor Duncan, Nathan Duncan, Brady Duncan, and Wisconsin Physicians Service, Plaintiffs, v. Wayne E. EHRHARD, Defendant-Third-Party Plaintiff, AUTO-OWNERS INSURANCE COMPANY, Defendant-Third-Party Respondent, CHETEK AREA SCHOOL DISTRICT, Defendant, EMPLOYERS INSURANCE OF WAUSAU, Defendant-Appellant, v. CONTINENTAL WESTERN INSURANCE COMPANY, Third-Party Defendant. Court of Appeals of Wisconsin. No. 90-0107.Oral argument […]