U.S. Mexico Drug Violence

A policeman piles packages of confiscated marijuana in Nuevo Laredo, Tamaulipas state, Mexico, on the border with the United States

David Shirk director of the Trans-Border Institute (TBI) at the University of San Diego, and Viridiana Rios of Harvard University discuss the new report from TBI about drug violence in Mexico and discusses President Calderon's visit to the White House.