I actually *did* the math for an EMP strike in post #56.
I saw that, thanks. So few of us would have the will to survive... I have horrified people by telling them that I would thrive in a global catastrophe. Ninety percent of the people I've known would immediately commit suicide at the first sign of a nuclear attack or a so called "extinction event."
Automobiles and telecommunications are about fifty on my list of priorities for the end of the world. My Dad's shotgun is near the top.