Next week we'll publish a collection of nearly 100 tasting notes on some more fine California wines. They were tasted by Richard and me at a recent generic showing of wines from the Golden State in London, just in time for what we are told is a looming shortage of California wine - JR.  I felt very privileged to be invited to a special evening tasting devoted to Cult Californians at the London wine merchant Roberson recently. Relatively few of these make it across the Atlantic and the selected wines were all extremely small volume, invariably with top prices and stellar scores from US wine critics. Despite - or perhaps because of -...