User blog comment:Etindel/That did NOT just happen!/@comment-15843945-20130606194856/@comment-9788768-20130606235810

I'm pretty sure it was initiated by someone in the Small Council. Wouldn't be surprised if Tywin pulled the strings himself by offering Winterfell to the Boltons as well as Lannister/Tyrell allegiance to fight off the Ironborn.