German Chancellor Angela Merkel talks to children of Jinputao Primary School in Hefei, East China’s Anhui Province on October 30, 2015. Photo: CFP

As German people’s “Mutti (Mummy),” and Europe’s “crisis manager,” Angela Merkel is stepping down from the post she has held for 16 years, making her the country’s second-longest-serving chancellor and the first chancellor to leave power of her own volition.…