Mexico's Refugees: A Hidden Cost of the Prohibitionist War on Drugs

President Felipe Calderon's four-year-old army-led campaign against drug trafficking organizations created by prohibition has shaken up the balance of power in Mexico's criminal underworld and sparked a wave of turf wars, sometimes trapping civilians in their midst. With more than 34,000 drug prohibition killings in the past four years, Calderon is coming under increasing pressure to help states burdened by drug war refugees.