An international conference opening in Switzerland on Saturday is set to discuss the first building blocks of a peace process in the Ukraine war. Prime ministers and other high-ranking representatives from around 100 countries as well as from international organizations are expected to attend. They are to discuss issues ranging from grain exports from Ukraine, the safety of the Russian-occupied Zaporizhzhya nuclear power plant and humanitarian issues including prisoner exchanges. The meeting is taking place on Ukraine’s initiative and President Volodymyr Zelensky is attending, coming, as will …