How best to curb obesity?

Here is a recent post in the New England Journal about the recent soda ban in New York City Ruling. A wonderful view that I personally share. 100% freedom has failed in this circumstance. If we let everyone eat whatever they want, you get the obesity rates that we currently see. We live in the greatest country in the world and we can do better!

http://www.nejm.org/doi/full/10.1056/NEJMp1303706?query=endocrinology