Because of the increase in life longevity, America can now assume that at any given time three, and perhaps four, former presidents will still be alive, even when the current president is occupying the White House.
“Divine right went out with the American Revolution and doesn't belong to the White House aides. What meat do they eat that makes them grow so great?”
“In trying to make something new, half the undertaking lies in discovering whether it can be done. Once it has been established that it can, duplication is inevitable.”