If the twentieth century was the century of refugees, the Islamic world was certainly an active participant. From Turkey's expulsion of the Armenians, the forced population exchanges of Greeks and Turks, and of Muslims and Hindus during the 1948 Indian-Pakistani partition, to the expulsion of the Palestinian refugees in 1948 and 1967, to Somalis and the Sudanese in Africa, and the Afghans, Kurds, Bosnians…