Interesting comment from a BBC interview.
President Calderon said it was impossible to smuggle tonnes of cocaine into the United States without the complicity of some American authorities.
"There is trafficking in Mexico because there is corruption in Mexico," he told the BBC.
"But by the same argument if there is trafficking in the United States it is because there is some corruption in the United States... It is impossible to pass tonnes of cocaine to the United States without the complicity of some American authorities."
Full interview here:
http://news.bbc.co.uk/2/hi/americas/7971335.stm