Several dozen Jewish tycoons from Russia are believed to have taken on Israeli citizenship or residency in recent years. Israel is grappling with a situation that involves dealing with dozens of Jewish Russian oligarchs as Western nations step up sanctions on businesspeople with ties to Russian President Vladimir Putin. A worried Israeli government has formed a high-level committee to see how the country can maintain its status as a haven for any Jew without running afoul of the biting sanctions targeting Putin’s inner circle. Several dozen Jewish tycoons from Russia are believed to have taken on Israeli citizenship or residency...