(March 31, 2016, 7:35 AM EDT) -- LOS ANGELES — A California federal judge on March 23 certified a class of consumers accusing Gerber Products Inc. of falsely advertising the health benefits of its baby formula but only after first narrowing the class definition proposed by the lead plaintiff (Oula Zakaria v. Gerber Products Co., No. 15-200, C.D. Calif.)....