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/34814" allowfullscreen></iframe> A camera panning the crowd outside the outdoor MSNBC set in Denver caught a man holding up a "9/11 Was an Inside Job" sign. Another sign urged a Maddow/Olbermann presidential ticket in 2012 while another called for legalizing pot.