South America's republics have the highest population growth rates in the world, far outstripping their economies' ability to feed the multiplying mouths.
Such pressure has built up in favor of birth control and abortion that last week the continent convened its first inter-American conference on population policies. Among many revealing statements, the most searingly candid came from Colombia's President Carlos Lleras Restrepo:
"I have visited the poorest slums of the republic and recommend the same visit to the people who examine the population problem above all from the moral point of view. What can we say of the frequent incest; of...