On closer reading indeed the high school grads part seems to be suffering quite a bit. That decline seems to be something that would not wiped out by any increa

On closer reading indeed the high school grads part seems to be suffering quite a bit. That decline seems to be something that would not wiped out by any increases since the 60s. But it's important to note that at this point only high school grads do not make up "most Americans." Whether that's good is another topic.