“ Thirteen former Trump administration officials released an open letter on Friday amplifying warnings from John F. Kelly, Donald J. Trump’s longest-serving White House chief of staff, that the former president would rule like a dictator if he returned to office.” ……………. “The letter, organized on Wednesday after Mr. Kelly’s comments were published in The Times on Tuesday, was signed by several outspoken Harris supporters, including two who gave speeches at the Democratic National Convention: Stephanie Grisham, a former Trump White House press secretary, and Olivia Troye, who was an adviser to Mr. Trump’s vice president, Mike Pence. Other signers...