The premeditated, evil barbarity unleashed on hundreds of innocent human beings by Hamas, a terrorist organisation, can never be justified or excused. Nor can the belief systems that conceived of the massacres and put them into effect. By any standard, they are heinous crimes against humanity and can only be viewed as such. The question that arises now is one of response. What can and should be done in response? At the absolute minimum, it is not only legitimate but obligatory to firstly prevent any recurrence and then to seek out and bring to justice all the perpetrators – gunmen,...