If you go to the website of the U.S. Centers for Disease Control and Prevention, you can download a colorful slide presentation that illustrates with stunning clarity how much worse the problem of obesity has become in the past twenty years. In 1990, every one of the 50 states could boast that fewer than 15 out of every 100 adults had an unhealthy weight; by 2008, more than 25 out of every 100 adults in 32 states were classified as obese.  So who’s to blame, and what can be done about it? Read the rest of this entry »