Probably Fridge Brilliance ''and'' Horror:
* Roger, in "Black Jack" says he saw, in the sky, a bright light with a ring around it, and it inspired him to keep going. The very same nuke that caused the EMP and drastically lowered the standard of living for millions was what kept Roger alive, in a weird sort of way.
* FridgeBrilliance: After the destruction of Denver, the people of Jericho are unsure if it was an accident or a deliberate attack. Then Dale plays his mother's final answering machine message, revealing that Atlanta was also destroyed, and confirms it was deliberate. I later realized that this was a parallel with the 9/11 attacks. After the plane hit the first tower, there was confusion over whether it was an accidental plane crash or a deliberate attack. Then the second tower was hit...