Commentary In the 18th century, the average French working man spent about 50 percent of his wages on bread. By 1789, that percentage had increased to as much as 60 to 80 percent and the French Revolution ensued. King Louis XVI and Marie Anoinette met the guillotine. In 1930, a little-known Indian attorney named Mohandas Gandhi began protesting a steep “Salt Tax” that was imposed by the British imperialists who ruled India and maintained a monopoly over the country’s salt production. By the time he had finished his march to the sea so that he and his followers could produce their own salt, some 60,000 Indians were jailed, but Gandhi had earned the support of millions.  By 1947, Gandhi and his followers had forced Britain to relinquish the crown jewel of its overseas empire and Gandhi had become a political and cultural icon. Food—or a lack of it—won’t necessarily cause …