great to have you with us in selma to commemorate the 50th anniversary. the event in 1965 became the catalyst to the voting rights act. police assaulted 600 protesters as they tried to march from selma to montgomery alabama. the event was known. many say there is still a long way to go tony harris has been covering the event in selma. let s begin with you on this powerful weekend, there has been a new call for action. absolutely. a powerful weekend. take a look behind me at the edmund pettus bridge, the crowd is starting to thin out. the curtain coming down on what has been a remarkable weekend in this small town. as was the case 50 years ago. this day began in church. brown chapel the church that housed the power and muscle of the selma marches. the epicentre for an impressive array of thinkers and activists. all the doubt. the we have the chance to vote and do many things because so many walked across the bridge, cried on the bridge and bled on the bridge. politics