A German organization calling themselves the Grandmas Against the Right urged mainstream political parties to address social problems in the country on Sunday at the group’s first ever national congress. Problems left unresolved and delayed solutions are exploited by populists who pose a threat to democracy, the group said at the close of the meeting in the central German city of Erfurt on Sunday. In the final declaration, the Grandmas Against the Right called for democracy to be protected as the “only thriving form of coexistence.” They expressed particularly concerned about the upcoming stat…