A plane in which Wikileaks founder Julian Assange is believed to be travelling on arrived in Bangkok on Tuesday, in the first part of a deal with the United States that set him free from prison in Britain and ends a long legal odyssey. After his layover in Bangkok, the Australian national flies to the Northern Mariana Islands, a remote US Pacific island territory. There he is to plead guilty to one charge of conspiring to obtain and disclose classified US national defence documents at a federal courthouse. In return, Assange will be spared imprisonment in the United States. Following his plea …