Hear parents react to China’s three-child policy

China announced it will allow couples to have up to three children to try reversing declining birth rates. It may be a tough sell for some families who think raising children in cities is too expensive. CNN’s Scott McLean reports.China announced it will allow couples to have up to three children to try reversing declining birth rates. It may be a tough sell for some families who think raising children in cities is too expensive. CNN’s Scott McLean reports.