NATO Leaders Clash as Alliance Marks 70th Anniversary

The meeting of NATO leaders in London to mark the alliance’s 70th anniversary got off to a difficult start Tuesday as the leaders of the United States, France and Turkey clashed over burden sharing and the future direction of the alliance. The official summit is set to take place Wednesday, where the various threats to NATO are due to be discussed – but as Henry Ridgwell reports, the biggest challenge could be keeping a lid on tensions within the organization.