The Sauvignon Blanc-based French white Sancerre is so popular that one sommelier says he can't offer it by the glass or it would outsell everything else. Lettie Teague tries to find the true standouts in the superstar wine variety.
Port Wine (also known as Porto or simply Port) is a Portuguese wine. It is produced from grapes grown and processed in the Douro region in Portugal. It is typically a sweet red wine, but also comes in dry, semi-dry and white varieties. It is often served as a dessert wine.