America’s deliberate targeting of civilians, and its post-facto justifications, are clearly not unique, either in World War II, or in the wars before or since. Other nations, including Japan itself, added their own horror to the books, mostly without remorse. But history’s only use of nuclear weapons holds a significant place in infamy, especially on this August 6. America’s lack of introspection over one of the single most destructive days in the history of human warfare continues, with 21st-century consequences.