After a crushing defeat for Macri in August’s primaries, most Argentines expect a win by the opposition left wing Peronists, who first came to power in 1946 under the populist general Juan Perón and, as the country’s dominant political force, who have overseen much of Argentina’s deterioration during the past half-century from its covered position as one of the richest in the world earlier that century. Nowhere is this more evident than in Villa 31 in Buenos Aires, which, situated around train tracks…