COMMERCIAL UNION INSURANCE COMPANY, PLAINTIFF, APPELLANT, v. WALBROOK INSURANCE CO., LTD., ET AL., DEFENDANTS, APPELLEES. COMMERCIAL UNION INSURANCE COMPANY, PLAINTIFF, APPELLEE, v. NATIONAL CASUALTY CO., ET AL., DEFENDANTS, APPELLANTS. Nos. 94-1526, 94-1561.United States Court of Appeals, First Circuit.Heard September 14, 1994. Decided December 5, 1994. Page 765 [EDITORS’ NOTE: THIS PAGE CONTAINS HEADNOTES. HEADNOTES ARE […]