Communism's grim toll Robert Service, ROBERT SERVICE is a professor of Russian history at St. Antony's College, Oxford, and author of the recently released "Comrades!: A History of World Communism."
Immigration policy, the Roman way Cullen Murphy, CULLEN MURPHY was for many years the managing editor of the Atlantic Monthly and is now the editor at large of Vanity Fair. His most recent book is "Are We Rome?: The Fall of an Empire and the Fate of America."