(May 25, 2016, 9:59 AM EDT) -- PHILADELPHIA — An insurance company’s expert may testify on the cause of a fire to property, a Pennsylvania federal magistrate judge ruled May 23, finding that although the expert failed to collect some relevant information and perform tests that would have strengthened the opinion’s basis, the challenges go to the weight of his opinions (Allstate Insurance Co. v. Rosa-Lee Anderson and Deandre Patterson, No. 15-2651, E.D. Pa.; 2016 U.S. Dist. LEXIS 66481)....