The U.S. launched what analysts are describing as one of the largest bombing missions in Yemen in years. The strikes targeted what the U.S. says are Houthi leaders and terrorist infrastructure. The Trump administration’s campaign has been ongoing for two weeks, but the military action has been overshadowed by the messages sent by national security officials in Signal. Nick Schifrin reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders