It is axiomatic that when freely traded market prices move up or down -- no matter for what -- some people will always be made unhappy. We have often said that markets are made by expressions of opinions. When prices move, those holding contrary opinions are usually not pleased. When prices move enough and affect enough people, those who are unhappy about the price move tend to complain, and when the complaints are loud enough, they are picked up by politicians. It has ever been thus!We all recall 2008 and 2009 when politicians around the world accused speculators and "excessive speculation" of causing energy markets and food-related markets to rise to inflated price levels at the expense of consumers, particularly poor consumers. Then, a...