Washington - A former US State Department official has been sentenced to life in prison for spying, while his wife was ordered to spend nearly seven years behind bars for helping to pass highly classified information to Cuba, the Justice Department said Friday. Walter Kendall Myers, 73, and wife Gwendolyn, 71, pleaded guilty in November to espionage charges and acting as agents for the Cuban government. Myers had also admitted to passing top secret information in a conversation with an undercover FBI agent, the Justice Department said.