Here's the latest on season 4, from a Vulture interview with show creator Mitch Hurwitz:
For every other possible season 4 detail, click here.
Looks like the conspiracy-theorists are rallying around this and fleshing out theories from this new piece of potential book-spoiling details from showrunners David Benioff and D.B. Weiss' knowledge about the final two books.
With the show and books starting to form more clearly defined story paths, do you think the HBO will spoil the book series before our faithful captain, George R.R. Martin can finally give us his ending?