Last month, the day before National Doughnut Day, New York City Mayor Michael Bloomberg announced plans to tackle obesity by banning the sale of sugary drinks larger than 16 ounces. Eager for the newly nicknamed “Soda Jerk” to Think Again, comedian Jon Stewart joked that Bloomberg's proposal “combines the draconian government overreach people love with the probable lack of results they expect.” The website “Renegade Chicks” reflected citywide disapproval in asking, “Weren't there bigger issues at hand (like) ... say the declining economy and rising unemployment rates? If this soda ban is passed, what's next?” Apparently, milk drinks and popcorn,...