In Stor/Gard, Inc. v. Strathmore Ins. Co., No. 12-1650, 2013 U.S. App. LEXIS 11015 (1st Cir. May 31, 2013), the First Circuit rejected the notion that a 2% contribution to a loss could be a “cause” of the loss. Defendant Strathmore Insurance Company (“Strathmore”) insured Plaintiff SGI, which owned property with self-storage warehouses, and…