The dismal failure of Middle Eastern and North African economies to deliver the prosperity that their people desperately want is a constant factor pushing people into the streets. It is not the only factor, but rising food prices helped to spread revolutionary fervor from a small group of activists to much of Egypt’s population in 2011, and again this year in June, when the most frequent grievance against former President Mohamed Morsi concerned not his ideology but his indifference to ordinary Egyptians’ needs.