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://mrctv.org/embed/37189" allowfullscreen></iframe> [LANGUAGE WARNING] MSNBC attacked the John McCain campaign over unknown people at rallies who are shouting outrageous things about Democratic presidential candidate Barack Obama.