The New York Times told a story recently that I can’t get out of my mind. A 23-year-old Egyptian man named Hemeida was described by neighbors as devoted to his parents, looking forward to a normal family life for himself, enjoying pleasures like soccer and the beach, but consumed by what he saw on television of the suffering of the Palestinian Arabs. He carried a Koran in his pocket and was said to be devout, but not a zealot. One day, he heard the silent call of jihad and answered it by pushing past Egyptian guards into the no-man’s land separating Israel from Egypt. He ignored warnings until an Israeli soldier shot him dead, as Hemeida, who carried no weapons or explosives, had evidently intended.
Hemeida learned th . . .