Ukraine’s president on Sunday called on Israel to take a stronger stand against Russia, delivering an emotional appeal that compared Russia’s invasion of his country to the actions of Nazi Germany. In a speech to Israeli politicians, President Volodymyr Zelensky said it was time for Israel, which has emerged as a key mediator between Ukraine and Russia, to finally take sides. He said Israel should follow its Western allies by imposing sanctions and providing arms to Ukraine. “One can ask for a long time why we can’t accept weapons from you or why Israel didn’t impose sanctions against Russia, why...