This was the second of two great tastings I attended as part of the Palais Coburg fine wine weekend last month. The owner of this luxuriously restored palace in the heart of Vienna, now a hotel, is also a wine nut. Peter Puhringer is an engineer raised in East Germany who worked in Saudi Arabia in construction and then in investment. One can see concrete evidence of the success of these investments in the several and different architect-designed cellers he has had installed in the ancient foundations of the Palais by what were once Vienna’s city walls, fortified against...