WASHINGTON — Miles Taylor, the former chief of staff at the Department of Homeland Security, was the anonymous author of The New York Times Op-Ed article in 2018 whose description of President Trump as “impetuous, adversarial, petty and ineffective” roiled Washington and set off a hunt for his identity, Mr. Taylor confirmed Wednesday.
Mr. Taylor was also the anonymous author of “A Warning,” a book he wrote the following year that described the president as an “undisciplined” and “amoral” leader whose abuse of power threatened the foundations of American democracy. He…
