VANCOUVER, British Columbia (Reuters) – The Vancouver Winter Games countdown shifts from months to days on Tuesday just as a "Pineapple Express" weather front has slammed into the Pacific Northwest dampening Olympic fever. As athletes and construction workers were pushing full speed ahead with their final preparations, VANOC officials faced their worst nightmare on Monday as unseasonably high temperatures and rain lashed the Vancouver area. Weather fronts that bring warm, wet conditions from the Pacific ocean during the winter are often described as Pineapple Expresses by local forecasters. With just one month to go until the February 12th opening ceremonies,...