More than any other single development, that period explains the durability of Benjamin Netanyahu, which outsiders sometimes struggle to understand. Simply put, in the decade before Mr. Netanyahu came to power in 2009, the fear of death accompanied us in public places. There was a chance your child could be blown up on the bus home from school. In the decade since, that has ceased to be the case. Next to that fact, all other issues pale. Whatever credit the prime minister really deserves for the change, for many voters it’s a good enough reason to keep him in power on Sept. 17.