07/08/16 The Economist
PEOPLE in one of Mexico’s poorest states breathed a sigh of relief when over 170 tonnes of food were flown in at the start of July to restock local shops. The scarcities in Oaxaca were not caused by a natural disaster or a besieging foreign power. They followed a blockade by teachers, indignant over education reforms, who have once again shown how effectively they can paralyse commerce. In between bursts of lethal clumsiness, the authorities have mostly left the protesting pedagogues free to man their barricades.