Spoiler warning: Do not read on unless you’ve seen “Game of Thrones” episode 503, titled “High Sparrow.” The many disparate factions of Westeros continued to collide in unexpected ways in the third episode of “Game of Thrones” season five, with Tyrion Lannister (Peter Dinklage) being unexpectedly snatched up by the banished Ser Jorah Mormont (Iain...