Concerns about asteroids or global warming and so on are moot. We won't be here as a species pumping CO2 into the atmosphere or waiting around helplessly for a

Concerns about asteroids or global warming and so on are moot. We won't be here as a species pumping CO2 into the atmosphere or waiting around helplessly for a rock to crash into the surface. Unless a rock the size of Texas hits tomorrow. Extinction only a generation before it's possible to avoid it. It would be ironic except there won't be anyone left to appreciate the irony.