Something I wish for? Space Program as a Business.
I just read Delta-V by Daniel Suarez, and it makes a massive case for Space Mining, as a Space Priority, rather than colonization. Surviving Mars, admittedly a very different kind of game, makes a strong case that Spaceflight will happen just as soon as someone can figure out how to monetise it in a practical way.
In career mode, you have to be careful not to overuse your funding, but if you could harvest an asteroid... KSP1 has already set up the foundation for that, with the ability to make fuel on some of the places you land. If you can make 'funding' as well, that's gotta be worth a few strategy guides:
Landing on the Mun first gets you funding from the Kerbal Government. Getting funding from selling materials means you don't have to follow their contracts.