Ohio Governor Mike DeWine, right, shakes hands with Judge Thomas Rose of the U.S. District Court Southern District of Ohio after taking his oath of office, Monday, Jan. 14, 2019, in Cedarville, Ohio.
John Minchillo | AP
A federal judge on Friday withdrew from a case that could block Medicare from negotiating over drug prices, just hours after a watchdog group revealed his ownership of stock in two pharmaceutical companies that would be directly…