First time poster here :| So bear with my ignorance of what's already known. I was able to make it to both Portland signings and at the first was able to ask him several questions. Unfortunately I wasn't prepared for the opportunity to ask him so many questions so I'm afraid my questions were fairly poor and probably already answered. However he specifically told me that he confirmed something that he'd never confirmed before. So stay tuned:)
Of the few questions of import that I asked. Here are the ones I remember:
Q: Are we going to see more of Marsh?
A: (smiles) he'll be around ...
Q: Will we see Kaladin face Amaram?
A: I wouldn't put such a strong conflict as that without a purpose.
Q: I've noticed that in both elantris and roshar there are specific shapes to the cities and in both instances there as chasms. Is there a connection between the two worlds?
A: Oooo:) yes there is definitely a connection there. As you know all of these worlds are part of a universe and my magic systems share basic rules. So you'll see similarities. (He wouldn't elaborate on the chasms. He just sort of smiles mischievously)
Q: What is the stone that Gavilar gave to Szeth before he died?
A: good question, there are clues to what it is. (I'm going to try to get this answer right) if you decode Shallans letter in the beginning of The Way of Kings you will find some significant clues to what the stone is. The letter has already been decoded over at the 17th shard but I've never confirmed that those clues are in fact there. So go tell the 17th shard I confirmed that and they will love you for it.
I unfortunately do not remember the letter he is referring to. So please point me in the right direction. Also, you can love me know:)
Josh