Watch as Rav Shlomo Katz tells us the story of what happened just a number of weeks before the start of World War 2 at a great convention for the leading Rabbis in Poland, the topic was 'How are we going to greet Mashiach?' and the Bobover Rebbe, who had approximately 10,000 Yeshiva bochurim, spoke about the tears that will bring Mashiach.