As the Washington Post newsroom awaits the appointment of a new top editor, its acting news chief intervened to block an article about the departure of its second-highest-ranking editor, a contender for the position, according to several people with knowledge of events. Managing Editor Matea Gold, a veteran of 11-and-a-half years at the Post who has built up deep loyalty among staffers, had been herself considered a top internal candidate to run the newsroom. According to associates, it became...