It's been 18 years since Madeleine McCann disappeared and her mother Kate has never given up hope. Madeleine was three when she went missing from the McCanns ' holiday flat in Praia da Luz, Portugal, on May 3, 2007. Widespread search operations followed but the youngster's location remains unknown to this day. Kate, 57, faced further torment this week when she gave evidence in court against two women accused of stalking her and her husband Gerry. Julia Wandelt, 24, has repeatedly claimed she is