How the mastery of energy and space could enable civilization to rise to a higher level, which will be dubbed here as "Kardashevian Aspirations". A higher level of civilization could mean peace, prosperity and freedom for all, but you never know. (Somebody might find a way to screw it up.)
To lose the ISS after spending all that money would be a colossal failure. It just goes to show that you can't trust the government to always get it right, regardless of how much some true believers want to believe in it.