Should parents of extremely obese children lose custody for not controlling their kids' weight? A provocative commentary in one of the nation's most distinguished medical journals argues yes, and its authors are joining a quiet chorus of advocates who say the government should be allowed to intervene in extreme cases.

States that put a "sin" tax on soda pop products, have found that child obesity rates haven't changed; at all.
Looks like they'll just have to make the tax higher. Turns out, taxes don't automatically change behavior.