7 Things From the Game of Thrones Trailer That We Need to Discuss

Jon Snow is perhaps in the toughest position of all. Based on other shots from the trailer, it's clear the White Walkers have begun to infringe on human territory. We see some of the North's forces scrambling to battle and trying their best to survive the chilly blizzard conditions. At the same time, he must come to terms with the other "Great War." How will he play into the fight for the Iron Throne?