Change the "Dollar Menu" to the "Ten Dollar Menu"?

As obesity takes its toll on our nation's health and health care system, I've often wondered what part the ubiquitous fast-food "Dollar Menu" plays on the problem.  Would a higher price or tax on high-fat, high-sugar junk food deter people from eating it?  Brain Bloggers offer a well-argued perspective on the matter that I recommend you check out.