Politicians who try to make oil cheaper by restraining speculation will just make things worse ALTHOUGH the price of oil continues to hit new records, it has in one respect been a quiet week on the oil markets. America’s lawmakers are celebrating Independence Day by taking a few days off. That has led to a brief interruption in the torrent of proposals aimed at curbing speculation. Ten different bills on the subject are in the works in Congress. Before the House of Representatives shut up shop, it approved one by a vote of 402-19. America’s politicians are not the only...