By Dov Fischer, American Spectator - There seems no way that the caravan of 4,000–14,000 migrants approaching our southern border is going to end without blood being shed. There probably will be blood. And, while the debate over “man-made climate change” is far from over, the debate over The Wall is finally over: The Wall finally must be built. Just as a dam serves as a last-ditch physical barrier to prevent or control a flood, The Wall now is revealed as the only logistical way to create a barrier to prevent or control a flood of Illegals.