BELFAST (Reuters) - The IRA admitted on Friday to the 1973 killing of a teenage girl that it had blamed on the British army and apologised to her family who had called on the paramilitaries to accept responsibility. Kathleen Feeney was shot dead near her home in Londonderry. At the time, the IRA, which put its violent, 30-year campaign against British rule on hold in 1997, blamed British soldiers for the 14-year-old's murder. "We wish to apologise unreservedly to the Feeney family for the death of Kathleen and all the grief that our actions have caused to them," the IRA...