Why do half of French Jews want to leave France? Because the recent rise of violent antisemitism has made French Jews justifiably concerned about their personal safety. A University of Oslo study published in June is one of the most methodologically sophisticated and comprehensive reports exploring the growth of Europe’s antisemitism problem. Authored by Dr. Johannes Due Enstad of the Center for Research on Extremism, the study documents violent antisemitism from 2005-2015, analyzing seven countries: France, the UK, Germany, Sweden, Norway, Denmark and Russia. According to the study, many European Jews feel unsafe as a direct consequence of violent antisemitism,...