The Secret War Against Hate is Steven J Ross’s absorbing study of the brave Americans who fought homegrown Nazism

On January 6, 2021, an angry mob stormed the US Capitol building. Many belonged to far-right militant groups like the Proud Boys, the Three Percenters and the Oath Keepers. A select few wore sweatshirts with specially designed antisemitic messages. “Camp Auschwitz” read one. “6MWE [Six Million Weren’t Enough]” read another.