It was the hardest kind of decision to make, and on the morning of September 12, the team at Forge Cellars had to make it. After dozens of hours spent babying his seven-tenths of an acre of pinot noir at Sawmill Creek Vineyard, Rick Rainey knew things had taken a bad turn. An inch of rain on Labor Day had turned up the disease pressure, and sour rot was arriving, day by day, one bunch here, one bunch there. It was going to get worse, despite all of the effort. Forge’s other pinot sites were in better shape, but this…