The equation to explain the whys of illegal immigration into the US is simple: Add: Widespread abject poverty and starvation in Mexico after US corporations relocated their cheap-labor plants from the US-Mexico border to Asia, and after Mexican banks and telecommunications were privatized, creating dozens of instant billionaires and plunging millions into poverty. Add: An extremely porous, under-enforced US-Mexico border. Add: US employers anxious for more profits, and willing to e