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/54315" allowfullscreen></iframe> During CBS's Sunday Morning political correspondent Jeff Greenfield wonders if "militancy" of conservatives at anti-Obama rallies will be a problem for the Republican Party.
