Eugene McCarthy said it would happen when coffins began to come back to even small towns.
There's nothing outsiders can say. When even Canadians are suspicious foreigners, any outside comment only hurts the side it takes.
The rest of the world has been wondering what would do it. I have no special faith in this event. I remember similar levels of comment after the bonesaw, and certainly after torture.
But America 'looked forward not back', i.e. pretend "This is Fine".