To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/128408" allowfullscreen></iframe> Appearing on Morning Joe, Deputy National Security Adviser Tony Blinken praises President Obama's "extraordinary leadership" on Ukraine.