Is The Hound The Prince That Was Promised?

This article contains spoilers about the season 7 premiere of Game of Thrones. Read at your own risk! The Hound (Rory McCann) on Game of Thrones is certainly getting more play this season -- the premiere devoted a decent chunk of the 65-minute episode to the character, and one Twitter users theorized that he's going to become very important. Based on his actions in the premiere, it seems that Sandor Clegane might be The Prince That Was Promised, a messianic "savior of Westeros" that exists in th...