Columbia University students participate in a rally in support of Israel in response to a neighboring student rally in support of Palestinians at the university on Oct. 12, 2023, in New York City. (Spencer Platt/Getty Images) On Oct. 7, Hamas invaded southern Israel and massacred at least 1,400 people and seized more than 200 hostages. According to captured documents, the goal of the brutal atrocity was to kill as many Jews as possible, and after the fact universal condemnation was not forthcoming. In ostensible allegiance with the Palestinian cause, demonstrators in the U.S. and many countries across the world voiced...