After a cool summer, the wine harvest in the Okanagan is running late.  Wine makers in the region are also up against rising costs, regulatory headaches and an August study that concludes B.C.’s wine sector is at risk of saturation. But Glenn Fawcett, a Calgary entrepreneur who put together a group of investors to buy the highly regarded Black Hills winery in 2007, remains optimistic.  He is part of a growing wine community that features players ranging from industry heavyweight Vincor Canada to boutique wineries that produce a few hundred cases of wine a year. A draft August report –…