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/49874" allowfullscreen></iframe> ABC 'Good Morning America' co-host defends special on CNN's 'Reliable Sources'; calls health care the most important issue.