This week brought new developments in the BP oil spill saga. First, a judge overturned the moratorium on deep-water drilling. Then the containment cap that had been collecting some of the oil was knocked off (it has since been replaced). The U.S. government recently said that 60,000 barrels of oil could be flowing into the Gulf every day. At that rate, an amount equivalent to the Exxon Valdez disaster could be spewing into the Gulf every four days. Several million barrels of oil have spewed into the Gulf since the spill began in April and tar balls have started...
