BECKLEY, West Virginia, Oct. 24 -- The office of the U.S. Attorney for the Southern District of West Virginia issued the following news release: Ronald Lavaughn Mason, 46, of Beckley, pleaded guilty today to conspiracy to distribute fentanyl and cocaine base, also known as "crack." Mason admitted to his major role in a drug trafficking organization (DTO) that distributed methamphetamine, fentanyl and cocaine base, also known as "crack," in Beckley and elsewhere within the Southern District of W  more