As to why we still haven't eliminated the tragedy/ies at the root:
-> A few rich people control the media
-> control our vision of our nation's priorities (financially profitable wars VS taking care of our own brothers and sisters)
-> control of our votes
-> control of our nation's policies
-> REPEAT CYCLE
As to why we still haven't eliminated the tragedy/ies at the root:
-> A few rich people control the media
-> control our vision of our nation's priorities (financially profitable wars VS taking care of our own brothers and sisters)
-> control of our votes
-> control of our nation's policies
-> REPEAT CYCLE