Trump opens America's doors to white South Africans

Why are white South Africans being fast-tracked for refugee status in the US, while millions of other refugees wait in line? Donald Trump's South African refugee program has sparked fierce debate, with supporters citing persecution and critics calling it a politically charged exception.Guest: Loren Landau, Professor of Migration at Oxford, and chair at the University of the Witwatersrand in Johannesburg.  Producer: Ali Benton