German Defence Minister Karl-Theodor zu Guttenberg has stepped down after he was found to have copied large parts of his university doctorate. Mr Guttenberg, considered until recently a possible candidate for chancellor, has already been stripped of his PhD. He told a news conference he was resigning from all political offices. More than 20,000 German academics wrote to Chancellor Angela Merkel on Monday complaining he was still in his job. BBC News - German defence minister Guttenberg resigns Amewajibika? Au Amewajibishwa? Wale Viongozi wenye Phds feki wafuate mfano huu.