Court of Appeals for the Fifth Circuit August 16, 2001, Nos. 00-10517, 00-10883 (Harken Exploration Co. v. Sphere Drake Insurance PLC)

REYNALDO G. GARZA, Circuit Judge:

Sphere Drake Insurance PLC (hereinafter “Sphere”) and Commercial Underwriters Insurance Company (hereinafter “Commercial”) (collectively hereinafter “Appellants”) appeal the Dallas Federal District Court’s ruling that they had a duty to defend Harken Exploration Company (hereinafter “Harken”) in Harken’s underlying federal and state lawsuits, the award of