Interview with Vasco Magalhães of Herdade do Peso wine estate, winemaker and now technical communications director for the Sogrape group, owner of H do Peso and one of Portugal's biggest wine producers. We're in the middle of the Peso vineyards a hot, sunny day just after grape harvest. Vasco talks about traditional Portuguese grape varieties. For example, for white wines: Antao Vaz, Arinto and for red wines: Touriga Nacional, Touriga Franca (or Francesa), Tinto Roriz (Tempranillo), Aragone