In excerpts from the upcoming book, “Frankly, We Did Win This Election: The Inside Story of How Trump Lost,” Michael C. Bender alleges that Donald Trump’s former chief of staff, John Kelly, recounted a grotesque episode he said took place during a 2018 presidential visit to Europe. According to Kelly, Trump interrupted a discussion of Nazi atrocities to say, “Well, Hitler did a lot of good things.” Kelly, a retired Marine Corps general–whose son, also a US Marine, died in combat, argued with his boss.