The Rio de Janeiro mayor’s barb has come after the German leader spoke disparagingly of another Brazilian city that hosted a climate summit German Chancellor Friedrich Merz is a “Nazi,” the mayor of Rio de Janeiro, Eduardo Paes, has charged. The now-deleted X post came in response to Merz’s disparaging comment about another Brazilian city, Belem, which has hosted the UN Climate Summit. The German chancellor spent a single day at the international event earlier this month, and on his return to