Greg Grandin

The CIA's always-useful World Fact book says that a staggering 6.3 million Colombians have been internally displaced (IDP) since 1985, with 'about 300,000 new IDPs each year since 2000,' the year Bill Clinton enacted Plan Colombia. Added up, that's 2.4 million people during Clinton's eight-year presidency.

Even before the expansion of slave labor in the South and into the West, slavery was already an important source of northern profit, as was the already exploding slave trade in the Caribbean and South America. Banks capitalized the slave trade, and insurance companies underwrote it.

Engineers in the developed world should be arguing not for protectionism but for trade agreements that seek to establish rules that result in a real rise in living standards. This will ensure that outsourcing is a positive force in the developing nation's economy and not an exploitative one.