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/76499" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/76499" allowfullscreen></iframe> On the March 29 Today show, ex-NBC Nightly News anchor Tom Brokaw sympathized with the "confluence" of world problems facing President Obama, the most challenging set of issues a president has faced "in my adult lifetime."