NATIONAL CASUALTY COMPANY, Petitioner, Appellant, v. FIRST STATE INSURANCE GROUP, Respondent, Appellee. No. 05-1505.United States Court of Appeals, First Circuit.Heard October 6, 2005. Decided December 2, 2005. Appeal from the United States District Court for the District of Massachusetts, Wolf, J. Page 493 [EDITORS’ NOTE: THIS PAGE CONTAINS HEADNOTES. HEADNOTES ARE NOT AN OFFICIAL PRODUCT […]