The slaughter of 12 children on an Israeli soccer pitch was awful, of course, but it’s important not to overreact to these things. That is the takeaway from the Majdal Shams attack for United Nations Secretary-General António Guterres. Via his spokesperson, Guterres condemned the killings but called for ‘maximum restraint’ to avoid ‘any further escalation’ and urged all parties to ‘recommit to the full implementation of Security Council resolution 1701’ and ‘a cessation of hostilities’.