Is migration a good thing for economies? Does it bring innovation? Or does it drain resources? We have both sides of the argument as we hear Mark Krikorian, executive director of the Center for Immigration Studies in Washington, debate the matter with Jonathan Portes, director of the National Institute of Economic and Social Research in London. Plus, our reporter Vishala Sri Pathma reports on India's Nestle Maggi instant noodle food scare and how it's affected attitudes towards food in the country.