LAS VEGAS, Venezuela -- Dreaming of a new life, Ramón Barrera came to El Charcote, a vast farm here in northwestern Venezuela, several years after President Hugo Chávez's populist government had expropriated the property from its longtime owners and begun distributing parcels to small farmers...Six months after he arrived, Barrera's 37 acres are fallow, so he spends his time feeding grain to nine scrawny pigs. He and other farmers trying to earn a living on the farm's sunbaked expanse said the technical help they had been promised never materialized... Chávez's so-called back-to-the-land movement calls for the redistribution of land --...