Law360, New York (January 16, 2015, 10:25 AM EST) -- In the wake of the Pennsylvania Supreme Court's recent 3-2 decision in Pennsylvania National Mutual Casualty Insurance Co. v. St. John, No. 86 MAP 2012, 2014 Pa. Lexis 3313 (Dec. 15, 2014), some have suggested that Pennsylvania law has suddenly traveled backward in time, to a decade when the "manifestation" trigger was still considered a viable insurance coverage theory. This time-travel scenario would magically obliterate all the Pennsylvania case law since the late 1980s where a multi-year trigger resolution was applied to claims involving long-tail injury or damage.[1] But that "Back to the Future" reading of St. John may be a fantasy — no less so than the classic 1985 film comedy of the same name....