Eight years is forever, we can wait. I've heard that under 10 years is the optimal for a long term government project. Anything longer, and it's equal to "fore

Eight years is forever, we can wait. I've heard that under 10 years is the optimal for a long term government project. Anything longer, and it's equal to "forever," and it's never done. This was the rationale for setting the goal of landing on the Moon to within the decade.