And the flip side is that space-travelling beings could be so far evolved above us that we would not perceive their nature, just as a bacterium in our gut does not grasp the nature of the being that they inhabit.
All of which, I believe, will be attributed to 8 years of Bush/Hitler, a Republican do-nothing Congress and woefully inadequate public sector spending.
Needless to say, women and minorities will be hardest hit. Hopefully, Michele Obama will be taken out by the first impact.
I would be content if she'd just stick a cork in it.
Failing that, an asteroid will have to suffice.
The ‘other’ flipside would be that we haven’t found anything yet because we’ve made it further than anyone else.