answered:
I would say worst idea but I think I should probably expect even worse ones.
North Korea gives a nuclear bomb or dirty bomb to Islamic terrorists.
They use it to destroy Manhattan.
Currently improbable, but the possibility increases each day NK is not brought into compliance.
9/11 got us the Iraq War. As far as I can tell, Islam was mostly just considered a Weird Foreign Religion before then.
I don’t want to see what the nuclear destruction of Trump Tower would do.