Even if either Iran or North Korea would eventually become at war with the US (began by any side) it's not evident here why such war should be of any "world" scale.
Cambodia and Iraq are on the list...and Israel isn't ???
What reason is there for Israel to be on the list?
One of the most industrial states with the powerful, modern, well trained army, which is in constant regional conflicts.
What reason is there for Israel to be on the list?
I do believe that it will come from a far less civilized nation.