Ann Arbor (Informed Comment) – A hate-filled 18-year-old murdered 10 and wounded 3 African-Americans in Buffalo on Saturday, having penned a rambling screed about replacement theory. The most common version of this whiny idea, imported from the more hysterical fringes of the French Right wing, holds that Jewish capitalists are importing cheap immigrant labor to replace more highly-paid white workers. Notoriously, the Nazis who marched in Charlottesville, Va., in 2017 against the removal of Confederate statues chanted “Jews will no replace us.” The shooter who killed 11 Jewish Americans at a Pittsburgh synagogue in 2018 espoused the idea of the...