TEXAS CITY, TEXAS -- Two weeks before the blowout in the Gulf of Mexico, the huge, trouble-plagued BP refinery [1] in this coastal town spewed tens of thousands of pounds of toxic chemicals into the skiesThe release from the BP facility here began April 6 and lasted 40 days [2]. It stemmed from the company's decision to keep producing and selling gasoline while it attempted repairs on a key piece of equipment, according to BP officials and Texas regulators. BP says it failed to detect the extent of the emissions for several weeks. It discovered the scope of the problem...