By Alex Miller, The Denver Post
Click-bait frenzy aside, the recent announcement that Bristol Palin is pregnant again sans hubby is a story played out in countless homes across the country on a daily basis. Here's why that
shouldn't be a surprise:People, starting in their teens, like to have sex.
Sex leads to babies.
This is normal human behavior, but not without its consequences.
Modern people have invented birth control methods, many of which are over 95 percent effective. But since access and cost can be problematic — especially for young and/or poor people — modern society in many places has made it easier. After all, there are a set of very clear, unambiguous facts related to the cost of a baby versus the cost of birth control.