Last weekend marked 50 years since the terrible slaughter of Bloody Sunday, a day nobody will ever forget. Having learned about it as we grew up or through various different formats, it is a day that will be always etched in our memories. On behalf of the Labour Party, my colleague, Deputy Duncan Smith, laid a wreath in Derry on Sunday. The day's events were a powerful and moving ceremony for all those who were killed and injured. Despite half a century having passed, the impact of that day is so raw. It is a date …