What will new U.S. sanctions mean for North Korea?

Kim Jong Un called Trump “deranged” for his threats. More

After President Trump signed new sanctions against North Korea on Thursday, Kim Jong Un called him “deranged” and said the president will “pay dearly” for his threats. Judy Woodruff talks with David Cohen, former deputy director of the CIA and an undersecretary for terrorism and financial intelligence at the Treasury Department, about what new sanctions mean and how other countries will respond.

AIR DATE 9/21/17