During a memorial service to the 29-year-old journalist murdered by a dissident New IRA gunman in Londonderry, those same sentiments echoed about Belfast Cathedral as a priest challenged the assembled politicians to put aside their differences and create a lasting peace in Northern Ireland in her memory. Equality, compassion, exposing the corrupt and holding the powerful to account: these were the words Lyra McKee lived by. “Why in God’s name does it take the death of a 29-year-old woman with her whole life in front of her to get to this point?” urged Father Martin Magill, a parish priest in West Belfast, prompting a standing ovation from mourners inside and outside the cathedral – and applause…