Father knows best, or at least he's having the most kids.

In my city of San Francisco, we can boast the smallest population of children in the United States. Although it really doesn't feel like it since I'm surrounded by people with babies. But apparently they're not having enough. Well, it's not just San Francisco, but most of the western world, Japan, Singapore, China, where birthrates are falling.

So who makes up for this gap? Patriarical societies with Muslim or Catholic traditions. That's right: We're in for a conservative baby boom. Check out Phillip Longman's piece in Foreign Policy as he makes the case that the patriarchy will -- and is -- populating the earth.