Germany's education minister has come under mounting pressure to resign after her university stripped her of her doctorate after ruling that she had plagiarised chunks of the paper. The ruling against Annette Schavan comes as a blow to Angela Merkel, the German chancellor, who is aiming to win a third term in office in federal elections this September. A panel of academics from Düsseldorf University found that Ms Schavan had "systematically and deliberately" passed off the work of others as...