With three presidential debates in the can, the loser is...

NASA's EPIC camera aboard NOAA's DSCOVR spacecraft acquired this image of the home planet on Oct. 17, 2016 at 11:01:20 GMT. The spacecraft was 902,561 miles from Earth at the time. (Source: NASA EPIC Team) The pundits will no doubt be yammering on for days about who won and who lost the final U.S. presidential debate. But I'd say that we don't need the pundits to tell us who the overall loser was. I think it was humanity. During the debates, we heard a lot of shouting, but almost nothing about the most profound, long-term issue all of us confront: How 7 billion of us, probably growing to 9 billion in relatively short order, can live sustainably on the home planet. Perhaps I missed it, but during all three debates, not one of the journalist moderators asked a question related to this question. It took a citizen in a red ...