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/1489" allowfullscreen></iframe> Former Rep. Cynthia McKinney of Georgia explains why she left the Democratic Party and is now a Green Party presidential candidate at a rally at the University of Maryland on Feb. 19, 2008.