Jeh Johnson: Deporting 2-3 Million Would Cost 'Billions'

Bloomberg Video

Nov. 14 -- U.S. Department of Homeland Security Secretary Jeh Johnson said more walls and more border security are not enough to stop illegal immigration. Johnson also warned of concerns about "lone wolf" acts of terrorism ahead of the department's latest National Terrorism Alert System bulletin, to be released tomorrow. He speaks with Bloomberg's Michael McKee in Washington on "Bloomberg Markets."