In this small Mexican town that sends sex slaves to New York, little boys dream of growing up to be pimps. Gaudy gabled houses that rise above gated walls are proof of the profits to be made from funneling “delivery girls” to Roosevelt Ave. in Queens. An annual parade of pimps in plumed hats — wielding whips to settle business beefs — is evidence that cash and fear has conquered shame here. “Many kids aspire to be traffickers,” said Emilio Munoz Berruecos, who grew up in the next village and runs a local human rights center. “This is a phenomenon...