The head of Scope Ratings Torsten Hinrichs poses before an AFP interview in Berlin on August 12, 2016. The latest European challenge to the all-powerful US credit ratings agencies doesn't come from the continent's financial capital Frankfurt -- but Berlin, better known for politics than banking. / AFP PHOTO / TOBIAS SCHWARZ / TO GO WITH AFP STORY by PAULINE HOUEDETOBIAS SCHWARZ/AFP/Getty Images