I Bird droppings have never had particularly good press, ever since poor Tobit of the tribe of Nephtali, worn out after a long day of grave-digging, nodded off and “as he was sleeping, hot dung out of a swallow’s nest…

America’s population decline is decently bad, but it isn’t so bad that you’d notice anything drastically different in our society. We’re all still groaning with impatience when full school buses make our morning commute a good 20 minutes longer, our…