During the days of colonialism, it was gratifying for the British, Portuguese, Germans, and French to look at the world map and bask in all the colonies of each country. But the pretty blotches of red or blue or black hid an unpleasant fact. Many of those colonies were a drain on the mother country; they would put into those colonies far more than they got out of them. This was particularly obvious in those colonies that were principally desert. Spain also had colonies. Cubans tried to become independent but failed due to the eternal ineptitude of Cubans, whose only...