"Deputy Attorney General Rod Rosenstein speaks before a House Committee on the Judiciary oversight hearing on Capitol Hill, Wednesday, Dec. 13, 2017 in Washington. Two FBI officials who would later be assigned to the special counsel's investigation into Donald Trump's presidential campaign described him with insults like ""idiot"" and ""loathsome human"" in a series of text messages last year, according to copies of the messages released Tuesday. (AP Photo/Andrew Harnik)"