Several of President-elect Donald Trump’s Cabinet choices have not completed a full review to avoid conflicts of interest, the government’s ethics office says, even as Republican senators move quickly to hold at least nine confirmation hearings next week. In a letter to Senate leaders, the director of the Office of Government Ethics described the current status of several nominees, some of whom are billionaires and millionaires, in the ethics process and expressed concern about the lack of ethics reviews just days from committee hearings.