US officials probe CIA contractors after intelligence leaks

US authorities probing the recent leak of secret materials are focusing on past CIA contractors who may have been upset over job losses, the Wall Street Journal said Sunday.WikiLeaks delivered a blow to America's top spies by publishing earlier this month nearly 9,000 classified documents the anti-secrecy group said were part of the Central Intelligence Agency's entire arsenal of cyber-attack plans.The WikiLeaks dump has set off an intense probe into how the materials -- which detailed how the C