Earlier quoted context omitted.
If some of the worse projections become true and large stretches of land become uninhabitable or very inhospitable my money is on the US deploying semi-automated machine gun turrets along the border wall: the turrets will have automated target aquisition and tracking but a minimum-wage border patrol agent in an office in Austin will have to confirm the kill decision. It will be about as controversial as the drone pro…
Those automated machine guns already exist, a Korean company was developing them over a decade ago for the DMZ. https://en.wikipedia.org/wiki/SGR-A1
I just hope nobody tells Trump these exist.