We toured Texas Wine Country for a few days and here are some brief impressions from first-time visitors.

--Texas’s signature red will be Tempranillo and white will be Viognier – or not. We’re starting with this because it’s marvelously controversial. Texas is so large that many in the industry don’t think it needs or can have a signature. We’d argue that wine regions require one or two to cut through the noise: New Zealand Sauvignon Blanc, Malbec from Argentina, and even New Mexico sparkling wine, for instance. “You do want to be known for something,” said Patrick Connelly, general manager of highly respected Becker Vineyard...