(May 9, 2018, 12:48 PM EDT) -- CLEVELAND — The Ohio federal judge overseeing the opioid multidistrict litigation on May 7 ordered attorneys to disclose in camera if they have obtained or will obtain third-party contingent litigation financing (In Re: National Prescription Opiate Litigation, MDL Docket No. 2804, No. 17-md-2804, N.D. Ohio, Eastern Div.)....