"It doesn't help when you have a government that denies this is happening just because the street vendors are out there," Herrera said. "It's really Kafkaesque. An open barber shop doesn't make an economy." VALENCIA, Venezuela - Graciela Martinez can't serve Coca-Cola in her small diner, located just around the corner from Venezuela's Coca-Cola bottler in this high desert city. Coke, like many products produced by multinationals in a vast industrial park here, has been virtually impossible to get since Venezuela's opposition began a strike Dec. 2 to demand that President Hugo Chavez call early elections. Officials at Coca-Cola and...