First of all, the "margin of error" theory comes from you and not the articles you told me to search out myself. And the hunting definitely adds some perspective to the "&#62;4x increase" so it's worth mentioning. I'm surprised you didn't mention it to begin with.<p>I'm not looking to do battle here.  In fact, I thought I was being humorous and polite.  Moreover, I'm happy to see that the polar bear situation is not as dire as I thought. I've adjusted the thermostat in my apartment accordingly.