Todd > Stress definitely affects BG, because the stress hormone cortisol triggers gluconeogenesis.  

As does consuming more than a moderate amount of protein.  See Rosedale.

Todd > As far as I'm concerned, elevated FBG is a sign of insulin resistance, and the example of Bear and others is proof that mere avoidance of carbohydrates and/or adherence to strict paleo diet doesn't automatically correct it.  

Agreed that there may be other factors such as saturated fat and stress, but I believe wholeheartedly that for those with insulin resistance issues, strict adherence to a low carbohydrate, moderate protein, high healthy fat (however defined) diet will absolutely correct it.

> People who practice caloric restriction achieve those low FBG levels.

I like your insulin avoidance theory.  But is it not possible that you're staying under say 140 grams of protein in that one meal per day?  A *pound* of sirloin is about 136 grams of protein.  That'd be a pretty good meal.

Jim