History Ken Burns’s new Holocaust doc has people talking. Here’s why. "I thought one of the parts that will probably have the greatest impact, perhaps, on American viewers, is the representation of Nazism as it existed in the United States." Ken Burns's documentary “The U.S. and the Holocaust" began running on PBS last month. Courtesy Image Filmmaker Ken Burns, the longtime New Hampshire resident known for his documentaries on poignant historical topics — “The Vietnam War,” “The Dust Bowl,” “The Central Park Five,” and “Jackie Robinson,” among many others — released his newest, called “The U.S. and the Holocaust,” last...