By Jesse Freeston
Real News Network
After free trade wiped out Mexico’s traditional agriculture, the drug cartels moved in. Flourishing drug demand in the U.S. and Canada has combined with the destruction of Mexico’s traditional economy to increase the power of the Mexican drug cartels. At the same time, the cartels are at war over the drug market in Mexico, with drastic results including the recent massacre of 72 undocumented migrants in Northern Mexico.