Against all odds, Andrés Manuel López Obrador—or AMLO, as he is called—was overwhelmingly elected President of Mexico on July 1. November polls had him leading by one digit, and by March he was ahead by around 10 points. Then, on the eve of the election, the most optimistic surveys gave him a margin of 17 to 22, but there were doubts about the arithmetic. With a high participation rate of 63.5 percent and despite doubts…