Haiti’s food crisis, in an immediate sense, is being driven by the gangs and the political instability that has allowed them to thrive. The country has been trapped in recession for six straight years now, with food inflation spiraling way beyond the point that ordinary families can manage. Incomes have collapsed and small businesses have shuttered, while farmers have been subjected to extreme pressures in their effort to produce food. Gangs have driven some farmers from their land or deman...