The attempted murder of a prison officer last week was a sign - if one were needed - that republicans who remain opposed to peace, however small in numbers, still have the ability to kill or maim. There are currently two main dissident republican groups in the north and both have some reach into the south. The most active at present is the group calling itself the IRA. It's often been said this was a merger of a number of other deadly organisations and in 2012 when it was formed that's exactly what it was. The Real IRA joined forces with those behind the killing of Catholic po[...]