PANAMA CITY, Panama Mar 19, 2007 (AP)— Panamanian police seized a boat off the nation's Pacific coast carrying 21.4 tons of cocaine in one of the biggest maritime cocaine busts anywhere on record, officials said Monday. National police working with agents from the U.S. Drug Enforcement Agency seized the boat on Sunday near the island of Coiba, said a police official who spoke on condition of anonymity because he was not authorized to speak on the record. Police arrested 12 men on the boat, including Mexicans and Panamanians, and another two suspects in Panama City in connection with the drugs,...