...and now imagine how likely "all circuits are busy" would be in a network were half of the infrastructure was freshly nuked. A dedicated button for "give me a

...and now imagine how likely "all circuits are busy" would be in a network were half of the infrastructure was freshly nuked. A dedicated button for "give me a line, I'm the president!" doesn't seem that far fetched anymore. Who knows, if they spend enough time pondering communications availability in such dire circumstances someone might invent an internet!