studies in the department of economics at harvard university he's also a senior fellow at the catto institute and he's also the author of the book drug war crimes the consequences of prohibition and in san diego we cross to eisa hutchinson he is a senior partner at the ayso hutchinson law group all right gentlemen this is crosstalk and that means crosstalk rules in effect but before let's have a look at a show report about this forty year old war. a worldwide enterprise worth some four hundred billion dollars a year illegal drug trafficking has become one of the most ferocious lucrative businesses in the world alongside only the oil industry and the arms trade it's single largest market the u.s. is also the world's biggest consumer of cocaine heroin and marijuana shipped from colombia and mexico although the u.s. government has been hard pressed to control and curtail democratic straight drug related violence has spread like wildfire across latin america and especially mexico our insatiable demand for illegal drugs fuels the drug trade our inability to prevent weapons from being illegally smu