Pompeo discusses 2nd U.S.-North Korea summit during meeting with Kim Jong Un
United Nations Ambassador Nikki Haley's resignation announcement Tuesday comes less than 24 hours after Secretary of State Mike Pompeo returned from a four-country Asia trip, which included a stop in North Korea and a meeting with Kim Jong Un. CBS News State Department reporter Kylie Atwood joins CBSN's "Red and Blue" to discuss the trip.