Mealey's (March 14, 2018, 11:34 AM EDT) -- CLEVELAND — The United States on March 1 asked the opioid multidistrict litigation court to give the government 30 days to evaluate whether it should participate in the MDL (In Re: National Prescription Opiate Litigation, MDL Docket No. 2804, No. 17-md-2804, N.D. Ohio, Eastern Div.)....