Eliminating pure speculation on oil futures is a question of fairness.  The choice is between a world of hedge fund traders who make enormous amounts of money at the expense of people who drive their cars and heat their homes, and a world where the fundamentals of life – food, housing, health care, education and energy – remain affordable for all. This is an excerpt from an op-ed article appearing in the New York Times of 12 April 2012 as written by Joseph P. Kennedy II, a former congressman from Massachusetts and, of course, a member of a well-known family. He argues for regulations to prohibit "pure speculation" in crude oil futures markets.Whether by coincidence or not, just nine days later on 21 April 2012, Dr. Lutz Kilian, an...