Moslem Children Practice For Christmas -- These three "young kings or Orient" are practising carols or Christmas - and they're not too early. For Ahed, 5 left - Ahmed, 5 - centre, and Abdullah, 8, who are seen singing beneath the canopy of Bute Town, Cardiff, Islamic centre, Christmas begins on Sunday. They call it Muhurram - or I'dd Kladh'ha - which means the feast of the sacrifice. But it is just as merry as our Christmas, and the three little boys are determined to be in good, strong voice wh