This spring we have been feeling “the winds of winter”. All over the world the huge group of fans of “Game of Thrones” (in which I am included) has been exchanging some particular words, in addition to shocked impressions on the day that follows each episode: ”Winter is coming”, the motto of House Stark, the “heroes” of the saga. At first sight the word “winter” in this series means a long winter that lasts for years after a similarly long …