https://www.reuters.com/article/us-wirecard-accounts-bundesbank/germany-must-toughen-audit-rules-after-wirecard-scandal-weidmann-idUSKCN24R0UO >Germany must toughen its rules for auditing and accounting to prevent another billion-euro scam like the Wirecard scandal, Bundesbank President Jens Weidmann said in a newspaper interview published on Monday.