Page last updated at 08:19 GMT, Sunday, 28 September 2008 09:19 UK Japanese Transport Minister Nariaki Nakayama has resigned, just four days after taking the job. The resignation will be seen as a setback for new Prime Minister Taro Aso, who took office on Wednesday. Mr Nakayama was criticised over a series of controversial remarks. He called Japan's largest teachers' union a "cancer" in the educa