WARSAW, Poland — The Polish government wants formal rules to regulate the terms under which Israeli schoolchildren pay Holocaust study visits to the country, including on the presence of armed Israeli guards, an official in Warsaw said Monday. Deputy Foreign Minister Marcin Przydacz said that young Israelis were receiving a “negative image” of Poland, because of the armed guards accompanying the youth groups, the visits’ focus on the Holocaust only, and a lack of contact with Polish youth. “There are also threads appearing [to suggest] that Poland is an antisemitic country and for that reason, it’s dangerous here,” Przydacz told...