WikiLeaks founder Julian Assange, who spent more than a decade in an embassy and a British prison to avoid extradition, has been released from prison as part of a plea deal with U.S. prosecutors, officials say. Assange was released from Belmarsh prison in London on Monday afternoon and taken to Stansted Airport, where he boarded a charter plane which is taking him to the Northern Mariana Islands, a U.S. commonwealth in the western Pacific. Assange is expected to plead guilty to a charge of conspiring to unlawfully obtain and disseminate classified national defense information when he appears i…