Mealey's (April 6, 2018, 10:17 AM EDT) -- PHILADELPHIA — Although declining to outright bar an economist from offering expert testimony about animal welfare in a price-fixing multidistrict litigation against egg producers, a Pennsylvania federal judge on April 5 made clear that the expert’s opinions will be limited, saying he “will not be permitted to appear as an animal welfare expert in economist’s clothing” (In re: Processed Egg Products Antitrust Litigation, No. 08-md-2002, E.D. Pa., 2018 U.S. Dist. LEXIS 57990)....