Challenging hate: Mike Haines, brother of a British aid worker killed by Daesh, has shared his story with the children of Gabalfa Community Centre in Cardiff Defying the terrorists’ aims Mike has brought a message of unity, tolerance and understanding to Cardiff as part of his Global Acts of Unity campaign Mike Haines OBE, founder of Global Acts of Unity has given a talk to the children of Gabalfa Community Centre as part of a national tour. Mike’s brother was…