MEXICO CITY (AP) — The head of Mexico's Sinaloa Cartel who was the world's most powerful drug lord was captured overnight by U.S. and Mexican authorities at a condominium in Mazatlan, Mexico, The Associated Press learned Saturday, ending a bloody decades-long career that terrorized swaths of the country.A senior U.S. law enforcement official said Joaquin "El Chapo" Guzman was taken alive overnight by Mexican marines in the beach resort town. The official was not authorized to discuss the arrest and spoke on condition of anonymity.