For centuries, the prayers of Mexico's peasants have been their only shield against the devastating furies that have wrecked their homes and destroyed their lives. And so today, again they kneel, terrified and helpless, as a new volcano is created by the mysterious and rebellious forces of nature. The Earth has split a thousand times. Whole acres of rich farmlands have cracked and dropped from sight. And millions of tons of molten lava are roaring down the slopes, in a quake ...