On March 24, Halliburton, the giant energy-services company once headed by Vice President Dick Cheney, announced that a subsidiary, Kellogg Brown & Root, had signed a contract with the Army Corps of Engineers to put out oil fires in Iraq, as well as to evaluate and repair the Iraqi oil infrastructure. The announcement set off an angry reaction in some circles on Capitol Hill. On March 26, California Democratic representative Henry Waxman wrote a letter to the Corps demanding to know why the contract was signed "without any competition or even notice to Congress." On April 8, Waxman, joined by...