(March 8, 2019, 12:11 PM EST) -- SAN FRANCISCO — The California federal judge overseeing the Roundup multidistrict litigation on March 7 denied defendant Monsanto Co.’s motion for summary judgment in three bellwether cases on the grounds of federal preemption and insufficient evidence (In Re: Roundup Products Liability Litigation, MDL Docket No. 2741, No. 16-md-2741, N.D. Calif., 2019 U.S. Dist. LEXIS 37136)....