European leaders warn of urgent need for self-defense as U.S. reliability questioned

America's historic allies came together at one of the world's key diplomatic gatherings to try and chart a new future. The Munich Security Conference has long hosted frank debates, and this year, European leaders confronted a world in which some of them are unsure whether the United States will continue to help guarantee their security. Nick Schifrin reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy