NewsConference: USC's Manuel Pastor. Ph.D. on the Surge of Illegal Crossings at U-S Border

Why are tens of thousands of undocumented from Central America crossing the border illegally? Is a Los Ageles gang responsible for the surge? What impact will this have on the future of national immigration reform? NBC4’s Conan Nolan gets the backstory from Prof. Manuel Pastor, the co-director of the Center for the Study of Immigration Integration at USC.