(September 4, 2015, 12:19 PM EDT) -- TRENTON, N.J. — A homeowner failed to show that his expert has “good grounds” for his testimony of damages sustained to a home during Superstorm Sandy, a New Jersey federal magistrate judge ruled Sept. 3, excluding the expert’s testimony to the extent that he opines on the cause of the damage to the property (Christopher Wehman v. State Farm Fire and Casualty Co., No. 14-1416, D. N.J.; 2015 U.S. Dist. LEXIS 117445)....