There are no morals in politics; there is only expedience. A scoundrel may be of use to us just because he is a scoundrel.
Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the drug store, but that's just peanuts to space.
And I think a lot of us have fantasies of going back to where we're from, or when we do go back we're so nostalgic about it.