The National Bureau of Economic Research has come up with a great new idea: let’s tax calories to make people thinner! “Raising the price of a calorie for home consumption by 10 percent may lower the percentage of body fat in youths about 8 or 9 percent, according to new research from the National Bureau of Economic Research,” writes Peter Whoriskey for the Washington Post. This is just another example of how liberals, in an effort to make a better society, abhor, and often actively confute, market forces to promote their own social agendas. “The new research, which focused on...