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/1955" allowfullscreen></iframe> It may be tough for John McCain to bolster his conservative credentials with supporter Joseph Lieberman, I-Conn., calling McCain the next John F. Kennedy, as he did on ABC's "This Week" on March 30.