BUENOS AIRES, Argentina (AP) — At 6 a.m., in the Mataderos neighborhood of Buenos Aires , workers unload sides of beef from a truck outside a butcher shop as customers line up for wholesale purchases. Inside, 73-year-old owner Jorge García and his staff prepare meat orders before dawn. Among the stacks of beef boxes and red meat cuts hanging from metal hooks, chicken and pork are increasingly present. Red meat consumption in Argentina — historically one of the world’s biggest consumers of beef —