WASHINGTON - The U.S. and Mexico on Friday unveiled a comprehensive drug fighting strategy that promises closer cooperation on firearms trafficking,extradition of druglords and intelligence gathering. It was released less than a month before the Clinton administration is scheduled to decide whether to renew Mexico's certification as a cooperative partner in the anti-drug war. The strategy is aimed at reducing the $50 billion flood of illegal drugs purchased in the united States each year,much arriving across the 2,000-mile-long U.S.-Mexico border. [continues 203 words]