Daenerys Targaryen isn’t the only character on “Game of Thrones” setting men’s hearts on fire. Brienne of Tarth (Gwendoline Christie) has caught the eye of Tormund Giantsbane (Kristofer Hivju), that wild wildling. And they’ve become the season’s hottest couple. On last Sunday’s episode, “The Door,” Tormund shot Brienne a glance so impassioned, so imbued with...