SAN FRANCISCO - The Bush administration can go ahead with a pilot program to allow as many as 100 Mexican trucking companies to freely haul their cargo anywhere within the U.S. for the next year, a federal appeals court ruled Friday. The 9th U.S. Circuit Court of Appeals denied a request made by the Teamsters union, the Sierra Club and the nonprofit Public Citizen to halt the program. The appeals court ruled the groups have not satisfied the legal requirements to immediately stop what the government is calling a "demonstration project," but can continue to argue their case. The trucking...