The top U.S. Customs official on Monday unveiled new high-tech equipment that will be used at the nation's seaports in the fight against terrorism. Highly sophisticated radiation monitors will be installed at every seaport in the United States. The sensitive detection equipment is designed to prevent terrorists from smuggling radioactive material, in the form of dirty bombs or nuclear weapons, into the country. The Port of New York and New Jersey, one of the nation's busiest seaports, will be equipped with the monitors by the end of August, making it one of the first to have them. U.S. Customs Commissioner...