PHOENIX (AP) - A former engineer at the nation's largest nuclear power plant has been charged with taking computer access codes and software to Iran and using it to download details of plant control rooms and reactors, authorities said. The FBI said there's no indication the plant employee training software had any terrorist connections. Mohammad Alavi, who worked at the triple-reactor Palo Verde power plant west of Phoenix, was arrested April 9 at Los Angeles International Airport when he arrived on a flight from Iran, authorities said. Alavi, 49, is a U.S. citizen and denies any wrongdoing, said his attorney,...