Four fifths of our people did not leave Egypt at the time of the Exodus. Why will the coming redemption with Moshiach be different? Why is the answer to the wicked son of the Haggadah to remind him that if he had been in Egypt he would not have been redeemed? We will understand all of this in light of a little known story about when the Lubavitcher Rebbe reached out to chess master Bobby Fischer who had renounced his Jewish identity.