NTD Business (Jan. 9): 7,000 Nurses Go On Strike in NYC

Thousands of nurses go on strike in New York City. Why? And what does a nurse strike mean for patients? A U.S. safety agency is considering banning natural gas stoves after a report brings up health concerns. Amazon introduces a Ring camera for your car. What can it do, and how much is it? The CES tech show in Las Vegas featu...