President Donald Trump’s weekend dinner with Kanye West and Nick Fuentes — two figures who have become the face of modern-day antisemitism in America — has shocked the political world. For Jews, the dinner was more than simply shocking: It was a reminder of an old and very ugly history of influential Americans mainstreaming antisemitism. In 1918, industrialist Henry Ford purchased his hometown newspaper, the Dearborn Independent. Ford was a brilliant businessman, the inventor of the Model T and founder of the iconic car company bearing his name. He was also a hardcore antisemite, blaming Jews for everything from World...