Academy Award winner Matthew McConaughey is reportedly up to play the villainous Randall Flagg in Warner Bros.' long-gestating feature film adaptation of Stephen King's The Stand. Deadline claims McConaughey has to choose between playing Flagg, "the personification of evil," in director Josh Boone's movie or starring in the mining scandal drama Gold. Michael Mann was previously attached to direct Gold, but now Stephen Gaghan is at the helm. Continue reading…