THERE is no shortage of gruesome wars across history initiated by tyrants and oppressors against the weak and the defenceless. The mayhem we have witnessed in Iran, Lebanon and Gaza is the latest in this long series of blood-soaked events. One of the most poignant and sorrowful episodes where absolute righteousness clashed with absolute evil is what millions across the world are commemorating today: the event of Ashura , where the family members of the Holy Prophet (PBUH) were slaughtered or taken prisoner in the burning desert of Karbala in 61AH.