There was a time in the wine business, and it wasn’t so long ago, that wineries gave free wine to any adventurous guests who found their tasting rooms. Often the winery owner or the winemaker would pull corks, pour the wine and converse with the guests. They’d tell stories about different vintages, describe the wines and be truly grateful if the tourists bought a few bottles on their way out. That has pretty much changed. Wineries are the number one tourist attraction in California....