German politicians celebrated the 32nd anniversary of German reunification on Monday but warned that togetherness should not be taken for granted amid a raft of modern challenges. German Chancellor Olaf Scholz and President Frank-Walter Steinmeier were among those attending the official commemorations in the eastern city of Erfurt in the state of Thuringia. Bärbel Bas, the president of Germany’s Bundestag lower house of parliament, and Thuringia State Premier Bodo Ramelow – current head of the Bundesrat upper house – both spoke in worried tones at a ceremony at the Erfurt Opera House. Bas told…