I think that the United States will come back round in a few decades after the birth rate has dropped to the kind of levels that places like Japan and Italy have. You suddenly start to appreciate motherhood a lot more as a society when the population starts shrinking because couples just start opting out because kids… » 10/21/14 6:05pm Tuesday 6:05pm

It all comes down to energy. If Lockheed Martin can deliver with their fusion designs, or we can make major advances in solar or other renewable, then the carrying capacity of the world jumps by a big amount because suddenly things like large scale seawater desalination are possible. » 10/21/14 11:09am Tuesday 11:09am