Roose Bolton has been made warden of the North. He stands to lose everything if the Wildlings break through the Wall. Castle Black is guarded by a hundred men and it appears the Boltons have several thousand. Why won't he garrison the Wall with his men? Tywin Lannister knows about the threat, surely Bolton must as well.

Roose Bolton has been made Warden of the North. He stands to lose everything if the wildlings break through the Wall. Castle Black is guarded by a hundred men and it appears the Boltons have several thousand. Why won't he garrison the Wall with his men? Tywin Lannister knows about the threat, surely Bolton must know as well.