New York Times: Weeks of wintry weather have left Britons bickering over dwindling salt supplies, Germans worrying over the economic costs of a ferocious start to winter, and residents in the usually warmer corners like Spain and the south of France struggling with rare accumulations of snow. And everywhere travelers bore the brunt of the cold snap caused by the low-pressure system known as Daisy, which has brought a deep chill to the Continent and disrupted roads, rails and runways. In …