The last written work of the Rebbe before his stroke centered on the following thought. The Rebbe personally handed a copy to thousands of people. I believe it is a summary of who we are and what we must do: Self-sacrifice in a land of freedom penetrates to the bone. I saw men and women who sacrificed all they had to defy the religious persecution of the Bolshevik regime. They came to a land of freedom and comfort—where is their greatness now? Then there is the child of that land of freedom and comfort, worshipping...