Senior department officials who were defense lawyers for the president and those in his orbit are now in jobs that typically must approve any such payout, underscoring potential ethical conflicts.President Trump is demanding that the Justice Department pay him about $230 million in compensation for the federal investigations into him, according to people familiar with the matter, who added that any settlement might ultimately be approved by senior department officials who defended him or those in his orbit. The situation has no parallel in American history, as Mr. Trump, a presidential candidate, was pursued by federal law enforcement and eventually...