Mealey's (July 17, 2020, 2:00 PM EDT) -- PHILADELPHIA — A commercial general liability insurer has a duty to defend two construction defect cases, the Third Circuit U.S. Court of Appeals ruled July 16, finding that malfunctions of windows and moisture barriers are “occurrences” (Nautilus Insurance Company v. 200 Christian Street Partners LLC, et al., Nos. 19-1507 and 19-1506, 3rd Cir., 2020 U.S. App. LEXIS 22118)....