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/135366" allowfullscreen></iframe> Rachel Maddow, doing her part to drive up participation in anti-police protests, on her MSNBC show April 29, 2015.