Reports of wild celebrations in Arab villages and neighborhoods following last week’s deadly terror attack in the Sarona Market in Tel Aviv left many shocked and horrified. Yet such expressions of joy and satisfaction following murderous acts of terrorism are hardly new, and have become a frequent occurrence after such attacks. Perhaps the most well-publicized celebrations came in the wake of the 9/11 attacks in 2001, when Arabs across Judea, Samaria, Gaza, and eastern Jerusalem were filmed cheering and handing out candy. For one young woman, however, these spontaneous expressions of celebration were not merely disgusting or disturbing – they...