In a video released to social media, Rep. Terri Sewell (D-AL) joins members of Dr. Martin Luther King, Jr.'s family and hundreds of others in marching for voting rights in Washington, D.C. Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes: http://forbes.com