McGeorge Bundy Discusses North Korea and Nuclear Weapons.

New York Times correspondent David Sanger says that Iran and its proxies are posing new challenges: "We're seeing outbreaks of low-level but highly damaging conflict all over the region."

David Chang has won James Beard awards as a chef and restaurateur. His first and best known restaurant Momofuku started as very modest noodle bar in Manhattan’s east village. The food was influenced by the food he grew up with--food that used to embarrass him when he was growing up. His parents are from North Korea. He now has restaurant in NY, LA, Vegas, Toronto and Australia. He’s had bipolar disorder for many years and credits cooking and his restaurants with saving his life. He has a new memoir.

CNN analyst Peter Bergen reflects on Trump's soured relationships with Generals Mattis, McMaster and Kelly. "He's gotten rid of the most competent people he had in his circle," Bergen says.