“Privately, Mr. Trump tried to remove Mr. [Jeff] Sessions — he said he wanted an attorney general who would protect him — but did not fire him, in part because White House aides dodged the president’s orders to demand his resignation. The president even called his former campaign manager, Corey Lewandowski, over the Fourth of July weekend to ask him to pressure Mr. Sessions to resign. Mr. Lewandowski was noncommittal and never acted on the request,”