The Middle East of the 21st century is quickly becoming monolithic, as it sheds the religious and cultural diversity that once existed. Though it gave the world all three Abrahamic religions, it is rapidly becoming the home of only one.

In recent years, the Christian population has decreased across the entire region, and in some Arab countries, the Christian component has been absent entirely.  In Iraq, home to the oldest Christian communities in the world, Jesus’ followers are going extinct amid an orgy of hatred and violence; Only a few thousand of Turkey’s Christians remain, while once the country was home to millions;  In Syria, Christians one made up a full third of the population, but today account for just 10 percent;  In the 1930s, Lebanon boasted a majority Christian population, whereas now they are less than a third;  For the first time since the 1950s, Coptic Christians are leaving Egypt in large numbers; And in areas under the control of the Palestinian Authority and Hamas, once-large communities of Christians (at some times even outnumbering local Muslims) have now been...