In perilous times, facts, expertise, and truth are indispensable. President Trump's flagrant disregard for the truth and his self-aggrandizing exaggerations, specious misstatements, and bald-faced lies have been rigorously documented and debunked since the first day of his presidency by The Washington Post's Fact Checker staff. Donald Trump and His Assault on Truth is based on the only comprehensive compilation and analysis of the more than 16,000 fallacious statements that Trump has uttered since the day of his inauguration.