Donald Trump isn’t a normal politician. He’s also not your typical liar. This week, The Washington Post’s Fact Checker Glenn Kessler wrote that “Donald Trump is the most unusual politician we’ve ever fact-checked.” Kessler went on to note that Trump doesn’t just lie a lot—he actively resists the truth:

When challenged with irrefutable evidence that his statement is wrong, Trump will grasp at the flimsiest pieces of evidence to insist that he is right, even if the new evidence contradicts or undermines what he had originally claimed.

One Week, 122 Lies from Donald Trump – Trump Lies